Nos publications

[hal-02650797] An extreme case of plant-insect codiversification: figs and fig-pollinating wasps

It is thought that speciation in phytophagous insects is often due to colonization of novel host plants, because radiations of plant and insect lineages are typically asynchronous. Recent phylogenetic comparisons have supported this model of diversification for both insect herbivores and specialized pollinators. An exceptional case where contemporaneous plant-insect diversification might be expected is the obligate mutualism between fig trees (Ficus species, Moraceae) and their pollinating wasps (Agaonidae, Hymenoptera). The ubiquity and ecological significance of this mutualism in tropical and subtropical ecosystems has long intrigued biologists, but the systematic challenge posed by >750 interacting species pairs has hindered progress toward understanding its evolutionary history. In particular, taxon sampling and analytical tools have been insufficient for large-scale cophylogenetic analyses. Here, we sampled nearly 200 interacting pairs of fig and wasp species from across the globe. Two supermatrices were assembled: on an average, wasps had sequences from 77% of 6 genes (5.6 kb), figs had sequences from 60% of 5 genes (5.5 kb), and overall 850 new DNA sequences were generated for this study. We also developed a new analytical tool, Jane 2, for event-based phylogenetic reconciliation analysis of very large data sets. Separate Bayesian phylogenetic analyses for figs and fig wasps under relaxed molecular clock assumptions indicate Cretaceous diversification of crown groups and contemporaneous divergence for nearly half of all fig and pollinator lineages. Event-based cophylogenetic analyses further support the codiversification hypothesis. Biogeographic analyses indicate that the present-day distribution of fig and pollinator lineages is consistent with a Eurasian origin and subsequent dispersal, rather than with Gondwanan vicariance. Overall, our findings indicate that the fig-pollinator mutualism represents an extreme case among plant-insect interactions of coordinated dispersal and long-term codiversification.

ano.nymous@ccsd.cnrs.fr.invalid (Astrid Cruaud) 29 May 2020

https://hal.inrae.fr/hal-02650797v1

[hal-05520816] An active ensemble classifier for detecting animal sequences from global camera trap data

Abstract Camera traps can generate huge amounts of images, and thus reliable methods for their automated processing are in high demand: in particular to find those images or image sequences that actually include animals. Automatically filtering out images that are empty or contain humans can be challenging, as images can be taken in different landscapes, habitats and light. Weather and seasonal conditions can vary greatly. Most of the images can be empty, because cameras using passive infrared sensors (PIR) trigger easily due to moving vegetation or rapidly varying shadows and sunny spots. Animals in images are often hiding behind vegetation, and camera traps will see them from previously unseen angles. Therefore, conventional animal image detection methods based on deep learning need huge training sets to achieve good accuracy. We present a novel background removal approach based on movement masked images computed using sequences of images. Our deep vision classifier uses these movement images for classification instead of the original images. Additionally, we apply a deep active learning (active learning for deep models) for collecting training samples to reduce the number of annotations required from the user. Our method performed well in singling out image sequences that actually include animals, thus filtering out the majority of images that were empty or contained humans. Most importantly, the method performed well also for backgrounds and animal species not seen in the training data. Active learning brought good separation between classes already with small training sets, without the need for laborious large‐scale pre‐annotation. We present a reliable and efficient method for filtering out empty image sequences and sequences containing humans. This greatly facilitates camera trapping research by enabling researchers to restrict the task of animal classification to only those image sequences that actually contain animals.

ano.nymous@ccsd.cnrs.fr.invalid (Tommi Mononen) 20 Feb 2026

https://hal.inrae.fr/hal-05520816v1

[hal-05521279] Multi-colored traps can enhance monitoring programs for native and non-native longhorn beetles in forest ecosystems

<div><p>Longhorn beetles (Coleoptera: Cerambycidae) are one of the most diverse families of beetles worldwide and they play critical roles in forest environments. Monitoring longhorn beetles is essential for both conservation and pest management, and baited traps are widely used for this purpose. Longhorn beetle species vary in their visual ecology and are attracted to different trap colors. A way to optimize trapping efficiency could be to combine multiple colors on a single trap, so to create a trap that captures multiple species at once. To test this approach, we carried out seven trapping experiments in Europe and North America, comparing the effectiveness of a multicolored trap against single-colored black, red, white, and yellow traps at whole family, subfamily, and species level. At most sites, multi-colored traps captured significantly more species and individuals than black, red, and/ or yellow traps. At the subfamily level, at most sites, multi-colored traps were equally or more effective than single-colored traps for Cerambycinae and Lamiinae. For Lepturinae, multi-colored traps were generally significantly more effective than black or red traps, but significantly less effective than white traps. Responses varied among species. Overall, our study suggests that the use of multi-colored traps can improve monitoring programs for longhorn beetles, supporting both faunistic surveys and early detection efforts targeting non-native species.</p></div>

ano.nymous@ccsd.cnrs.fr.invalid (Laura Besana) 20 Feb 2026

https://hal.inrae.fr/hal-05521279v1

[hal-03218374] Interesting lessons we can learn using past herbarium collections for studying forest insect pest invasions

Historical herbaria collected around the world are valuable source of data for studying past communities of folivore organisms and tracking their distributions through the time. Here we examined the world biggest herbarium collection stored in the Muséum National d'Histoire Naturelle (Paris, France) in order to explore past Tilia-feeding endophage complexes and their populations in the Holarctic and clarify the expansion history of the lime leafminer, Phyllonorycter issikii Kumata, 1963 (Lepidoptera: Gracillariidae), an invasive pest in Europe damaging limes, Tilia spp. (Malvaceae).

ano.nymous@ccsd.cnrs.fr.invalid (Natalia Kirichenko) 05 May 2021

https://hal.science/hal-03218374v1

[hal-03217254] Tracking the colonization patterns of an expanding forest pest and its natural enemies using molecular markers

Climate change is influencing population dynamics of several pest insect species leading to the expansion of their range. Range expansion can be driven also by human-mediated dispersal, with the establishment of new insect populations in suitable areas far from their native range. In this process, interactions between insects and their natural enemies can change due to new environmental conditions or to different rate of dispersion. In recent years, pine processionary moth (PPM), one of the main forest pests in the Mediterranean region, is expanding its range favored by both higher winter mean temperatures and accidental human-mediated transportation. Here we outlined the genetic structure of PPM along its range in France using 23 microsatellites loci, characterizing the main patterns of expansion of this species and identifying the source populations of new colonies in the expansion areas. These data can be employed for developing assignment tools to genetically characterize PPM for a quick identification of their origin area. Finally, we developed a new set of microsatellite primers for the PPM specialist egg-parasitoid in order to track its dispersion following its host in the expanding areas. The low genetic variability found, not directly useful for tracking parasitoid expansion, shed light on the role of bacterial endosymbionts in the population genetic structure of this species.

ano.nymous@ccsd.cnrs.fr.invalid (Mauro Simonato) 05 May 2021

https://hal.science/hal-03217254v1

[tel-04368466] Structure génétique et modélisation de la distribution des populations de deux espèces invasives de Xylosandrus (Scolytinae - Xyleborini) : deux espèces proches aux histoires d’invasion différentes

Xylosandrus compactus et X. crassiusculus sont deux scolytes originaires d’Asie du Sud-Est et invasifs sur plusieurs continents, dont la biologie et l’écologie atypiques favorisent l’invasion. Une approche pluridisciplinaire a été utilisée au cours de cette thèse afin (i) d’identifier l’origine des populations invasives et leurs routes d’invasion, et (ii) de déterminer les zones dans lesquelles elles pourraient s'étendre et s’établir. Les routes d’invasion ont été retracées à l’aide d’un marqueur mitochondrial et de marqueurs génomiques, et les zones favorables à l’établissement de chaque espèce ont été déterminées à l’aide de modèles de distribution d’espèces (SDM). Malgré leur proximité écologique et phylogénétique, les deux espèces ont une histoire d’invasion différente. Deux lignées ont été identifiées chez X. compactus, l’une originaire d’Inde ou du Vietnam ayant envahi l’Afrique et l’autre originaire de la région de Shanghai et ayant envahi indépendamment les Amériques et les îles du Pacifique, puis l’Europe. X. crassiusculus est composé de deux clusters très divergents, majoritairement allopatriques et possédant des niches écologiques différentes. Le cluster 1 a envahi indépendamment les îles du Pacifique et l’Afrique. Le cluster 2 est responsable de l’invasion en Amérique, en Europe, en Afrique et en Océanie, avec plusieurs invasions indépendantes de multiples origines (dont des événements dits "tête de pont") suivies de dispersion intra-continentale. Les SDM ont montré pour les deux espèces l’existence de zones favorables où elles ne sont pas encore présentes et qui sont donc susceptibles d’être envahies secondairement. Nous anticipons également un impact du changement climatique sur leurs potentielles distributions futures. A l'inverse, l'évolution récente du climat n'est pas responsable de l'invasion récente de l'Europe, ce continent étant favorable depuis plusieurs décennies.

ano.nymous@ccsd.cnrs.fr.invalid (Teddy Urvois) 01 Jan 2024

https://theses.hal.science/tel-04368466v1

[hal-04672656] Building integrated plant health surveillance: a proactive research agenda for anticipating and mitigating disease and pest emergence

In an era marked by rapid global changes, the reinforcement and modernization of plant health surveillance systems have become imperative. Sixty-five scientists present here a research agenda for an enhanced and modernized plant health surveillance to anticipate and mitigate disease and pest emergence. Our approach integrates a wide range of scientific fields (from life, social, physical and engineering sciences) and identifies the key knowledge gaps, focusing on anticipation, risk assessment, early detection, and multi-actor collaboration. The research directions we propose are organized around four complementary thematic axes. The first axis is the anticipation of pest emergence, encompassing innovative forecasting, adaptive potential, and the effects of climatic and cropping system changes. The second axis addresses the use of versatile broad-spectrum surveillance tools, including molecular or imaging diagnostics supported by artificial intelligence, and monitoring generic matrices such as air and water. The third axis focuses on surveillance of known pests from new perspectives, i.e., using novel approaches to detect known species but also anticipating and detecting, within a species, the populations or genotypes that pose a higher risk. The fourth axis advocates the management of plant health as a commons through the establishment of multi-actor and cooperative surveillance systems for long-term data-driven alert systems and information dissemination. We stress the importance of integrating data and information from multiple sources through open science databases and metadata, alongside developing methods for interpolating and extrapolating incomplete data. Finally, we advocate an Integrated Health Surveillance approach in the One Health context, favoring tailored and versatile solutions to plant health problems and recognizing the interconnected risks to the health of plants, humans, animals and the environment, including food insecurity, pesticide residues, environmental pollution and alterations of ecosystem services.

ano.nymous@ccsd.cnrs.fr.invalid (S. Soubeyrand) 26 Aug 2024

https://hal.inrae.fr/hal-04672656v1

[hal-03045949] Grassland-to-crop conversion in agricultural landscapes has lasting impact on the trait diversity of bees

Context Global pollinator decline has motivated much research to understand the underlying mechanisms. Among the multiple pressures threatening pollinators, habitat loss has been suggested as a key-contributing factor. While habitat destruction is often associated with immediate negative impacts, pollinators can also exhibit delayed responses over time. Objectives We used a trait-based approach to investigate how past and current land use at both local and landscape levels impact plant and wild bee communities in grasslands through a functional lens. Methods We measured flower and bee morphological traits that mediate plant–bee trophic linkage in 66 grasslands. Using an extensive database of 20 years of land-use records, we tested the legacy effects of the landscape-level conversion of grassland to crop on flower and bee trait diversity. Results Land-use history was a strong driver of flower and bee trait diversity in grasslands. Particularly, bee trait diversity was lower in landscapes where much of the land was converted from grassland to crop long ago. Bee trait diversity was also strongly driven by plant trait diversity computed with flower traits. However, this relationship was not observed in landscapes with a long history of grassland-to-crop conversion. The effects of land-use history on bee communities were as strong as those of current land use, such as grassland or mass-flowering crop cover in the landscape. Conclusions Habitat loss that occurred long ago in agricultural landscapes alters the relationship between plants and bees over time. The retention of permanent grassland sanctuaries within intensive agricultural landscapes can offset bee decline.

ano.nymous@ccsd.cnrs.fr.invalid (Gaëtane Le Provost) 17 Oct 2023

https://hal.science/hal-03045949v1

[hal-05168055] Human contributions to global soundscapes are less predictable than the acoustic rhythms of wildlife

Across the world, human (anthropophonic) sounds add to sounds of biological (biophonic) and geophysical (geophonic) origin, with human contributions including both speech and technophony (sounds of technological devices). To characterize society’s contribution to the global soundscapes, we used passive acoustic recorders at 139 sites across 6 continents, sampling both urban green spaces and nearby pristine sites continuously for 3 years in a paired design. Recordings were characterized by bird species richness and by 14 complementary acoustic indices. By relating each index to seasonal, diurnal, climatic and anthropogenic factors, we show here that latitude, time of day and day of year each predict a substantial proportion of variation in key metrics of biophony—whereas anthropophony (speech and traffic) show less predictable patterns. Compared to pristine sites, the soundscape of urban green spaces is more dominated by technophony and less diverse in terms of acoustic energy across frequencies and time steps, with less instances of quiet. We conclude that the global soundscape is formed from a highly predictable rhythm in biophony, with added noise from geophony and anthropophony. At urban sites, animals experience an increasingly noisy background of sound, which poses challenges to efficient communication.

ano.nymous@ccsd.cnrs.fr.invalid (Panu Somervuo) 09 Oct 2025

https://univ-rennes.hal.science/hal-05168055v1

[hal-01144571] THE 2014 ALMA LONG BASELINE CAMPAIGN: AN OVERVIEW

A major goal of the Atacama Large Millimeter/submillimeter Array (ALMA) is to make accurate images with resolutions of tens of milliarcseconds, which at submillimeter (submm) wavelengths requires baselines up to ~15 km. To develop and test this capability, a Long Baseline Campaign (LBC) was carried out from September to late November 2014, culminating in end-to-end observations, calibrations, and imaging of selected Science Verification (SV) targets. This paper presents an overview of the campaign and its main results, including an investigation of the short-term coherence properties and systematic phase errors over the long baselines at the ALMA site, a summary of the SV targets and observations, and recommendations for science observing strategies at long baselines. Deep ALMA images of the quasar 3C138 at 97 and 241 GHz are also compared to VLA 43 GHz results, demonstrating an agreement at a level of a few percent. As a result of the extensive program of LBC testing, the highly successful SV imaging at long baselines achieved angular resolutions as fine as 19 mas at ~350 GHz. Observing with ALMA on baselines of up to 15 km is now possible, and opens up new parameter space for submm astronomy.

ano.nymous@ccsd.cnrs.fr.invalid (Alma Partnership) 22 Apr 2015

https://hal.science/hal-01144571v1

[hal-02648399] Open minded and open access: introducing NeoBiota, a new peer-reviewed journal of biological invasions

The Editorial presents the focus, scope, policies, and the inaugural issue of NeoBiota, a new open access peer-reviewed journal of biological invasions. The new journal NeoBiota is a continuation of the former NEOBIOTA publication series. The journal will deal with all aspects of invasion biology and impose no restrictions on manuscript size neither on use of color. NeoBiota implies an XML-based editorial workflow and several cutting-edge innovations in publishing and dissemination, such as semantic markup of and enhancements to published texts, data publication, and extensive cross-linking within the journal and to external sources.

ano.nymous@ccsd.cnrs.fr.invalid (Ingolf Kuhn) 29 May 2020

https://hal.inrae.fr/hal-02648399v1

[hal-04175404] Worldwide diversity of endophytic fungi and insects associated with dormant tree twigs

Abstract International trade in plants and climate change are two of the main factors causing damaging tree pests (i.e. fungi and insects) to spread into new areas. To mitigate these risks, a large-scale assessment of tree-associated fungi and insects is needed. We present records of endophytic fungi and insects in twigs of 17 angiosperm and gymnosperm genera, from 51 locations in 32 countries worldwide. Endophytic fungi were characterized by high-throughput sequencing of 352 samples from 145 tree species in 28 countries. Insects were reared from 227 samples of 109 tree species in 18 countries and sorted into taxonomic orders and feeding guilds. Herbivorous insects were grouped into morphospecies and were identified using molecular and morphological approaches. This dataset reveals the diversity of tree-associated taxa, as it contains 12,721 fungal Amplicon Sequence Variants and 208 herbivorous insect morphospecies, sampled across broad geographic and climatic gradients and for many tree species. This dataset will facilitate applied and fundamental studies on the distribution of fungal endophytes and insects in trees.

ano.nymous@ccsd.cnrs.fr.invalid (Iva Franić) 02 Aug 2023

https://hal.inrae.fr/hal-04175404v1

[hal-04169153] Latitudinal gradient in avian insectivory: complementary effects of climate, habitat and bird diversity

According to the Latitudinal Biotic Interaction Hypothesis (LBIH), the general increase in biodiversity towards lower latitudes can be partially explained by an increase in the intensity of biotic interactions. While LBIH received some support for plant-herbivores interactions, much less is known about how higher trophic levels may contribute to shape biotic interactions across latitudinal gradients. We hypothesized that the diversity of insectivorous birds increases towards lower latitude, leading to higher predation rates on insect herbivores. Location Europe. Taxon Insectivorous birds and pedunculate oaks. Methods We deployed plasticine caterpillars in 138 oak trees in 47 sites along a 19° latitudinal gradient in Europe to quantify bird insectivory through predation attempts. In addition, we used passive acoustic monitoring to (i) characterize the acoustic diversity of surrounding soundscapes; and (ii) infer both taxonomic and functional diversity of insectivorous birds from recordings. Results The functional diversity of insectivorous birds increased towards lower latitude. Bird predation increased with latitude, forest cover and bird acoustic diversity but decreased with mean annual temperature and functional richness of insectivorous birds. Contrary to our predictions, latitudinal clines in bird predation attempts were not directly mediated by changes in insectivorous bird diversity or acoustic diversity, but latitude and habitat still had independent effects on predation attempts. Main conclusions Our study does not fully support the predictions of the LBIH of more biotic interactions southwards and advocates for better accounting for activity and abundance of insectivorous birds when studying the large-scale variation in insect-tree interactions.

ano.nymous@ccsd.cnrs.fr.invalid (Laura Schillé) 24 Jul 2023

https://hal.inrae.fr/hal-04169153v1

[hal-02627715] Forewarned is forearmed: harmonized approaches for early detection of potentially invasive pests and pathogens in sentinel plantings

The number of invasive alien pest and pathogen species affecting ecosystem functioning, human health and economies has increased dramatically over the last decades. Discoveries of invasive pests and pathogens previously unknown to science or with unknown host associations yet damaging on novel hosts highlights the necessity of developing novel tools to predict their appearance in hitherto naive environments. The use of sentinel plant systems is a promising tool to improve the detection of pests and pathogens before introduction and to provide valuable information for the development of preventative measures to minimize economic or environmental impacts. Though sentinel plantings have been established and studied during the last decade, there still remains a great need for guidance on which tools and protocols to put into practice in order to make assessments accurate and reliable. The sampling and diagnostic protocols chosen should enable as much information as possible about potential damaging agents and species identification. Consistency and comparison of results are based on the adoption of common procedures for sampling design and sample processing. In this paper, we suggest harmonized procedures that should be used in sentinel planting surveys for effective sampling and identification of potential pests and pathogens. We also review the benefits and limitations of various diagnostic methods for early detection in sentinel systems, and the feasibility of the results obtained supporting National Plant Protection Organizations in pest and commodity risk analysis.

ano.nymous@ccsd.cnrs.fr.invalid (Carmen Morales-Rodriguez) 26 May 2020

https://hal.inrae.fr/hal-02627715v1

[hal-04171563] Climate, host and geography shape insect and fungal communities of trees

Abstract Non-native pests, climate change, and their interactions are likely to alter relationships between trees and tree-associated organisms with consequences for forest health. To understand and predict such changes, factors structuring tree-associated communities need to be determined. Here, we analysed the data consisting of records of insects and fungi collected from dormant twigs from 155 tree species at 51 botanical gardens or arboreta in 32 countries. Generalized dissimilarity models revealed similar relative importance of studied climatic, host-related and geographic factors on differences in tree-associated communities. Mean annual temperature, phylogenetic distance between hosts and geographic distance between locations were the major drivers of dissimilarities. The increasing importance of high temperatures on differences in studied communities indicate that climate change could affect tree-associated organisms directly and indirectly through host range shifts. Insect and fungal communities were more similar between closely related vs. distant hosts suggesting that host range shifts may facilitate the emergence of new pests. Moreover, dissimilarities among tree-associated communities increased with geographic distance indicating that human-mediated transport may serve as a pathway of the introductions of new pests. The results of this study highlight the need to limit the establishment of tree pests and increase the resilience of forest ecosystems to changes in climate.

ano.nymous@ccsd.cnrs.fr.invalid (Iva Franić) 17 May 2024

https://hal.inrae.fr/hal-04171563v1

[hal-02627472] Consistency of impact assessment protocols for non-native species

Standardized tools are needed to identify and prioritize the most harmful non-native species (NNS). A plethora of assessment protocols have been developed to evaluate the current and potential impacts of non-native species, but consistency among them has received limited attention. To estimate the consistency across impact assessment protocols, 89 specialists in biological invasions used 11 protocols to screen 57 NNS (2614 assessments). We tested if the consistency in the impact scoring across assessors, quantified as the coefficient of variation (CV), was dependent on the characteristics of the protocol, the taxonomic group and the expertise of the assessor. Mean CV across assessors was 40%, with a maximum of 223%. CV was lower for protocols with a low number of score levels, which demanded high levels of expertise, and when the assessors had greater expertise on the assessed species. The similarity among protocols with respect to the final scores was higher when the protocols considered the same impact types. We conclude that all protocols led to considerable inconsistency among assessors. In order to improve consistency, we highlight the importance of selecting assessors with high expertise, providing clear guidelines and adequate training but also deriving final decisions collaboratively by consensus.

ano.nymous@ccsd.cnrs.fr.invalid (Pablo Gonzalez-Moreno) 26 May 2020

https://hal.inrae.fr/hal-02627472v1

[hal-02824656] Inventaire et évaluation des méthodes de lutte contre la processionnaire du pin. Enquête nationale-guide technique

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ano.nymous@ccsd.cnrs.fr.invalid (Alice Leblond) 07 Jun 2020

https://hal.inrae.fr/hal-02824656v1

[hal-02668020] Processionnaire du pin, la première enquête

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ano.nymous@ccsd.cnrs.fr.invalid (Annabelle Leblond) 31 May 2020

https://hal.inrae.fr/hal-02668020v1

[hal-02808245] PCLIM- Réseau multidisciplinaire Euro-Méditerranéen de recherches sur la réponse adaptative au changement climatique des processionnaires et de leurs organismes associés

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ano.nymous@ccsd.cnrs.fr.invalid (Alain Roques) 06 Jun 2020

https://hal.inrae.fr/hal-02808245v1

[hal-02655052] La processionnaire du pin vue par ses gestionnaires

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ano.nymous@ccsd.cnrs.fr.invalid (Alice Leblond) 30 May 2020

https://hal.inrae.fr/hal-02655052v1

[hal-02807950] Protéger les hommes et les forêts des insectes ravageurs

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ano.nymous@ccsd.cnrs.fr.invalid (Jean Claude Martin) 06 Jun 2020

https://hal.inrae.fr/hal-02807950v1

[hal-02822656] La chenille processionnaire du pin et le réchauffement climatique. Vers de nouvelles méthodes de lutte contre un insecte forestier urticant qui s'invite en ville

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ano.nymous@ccsd.cnrs.fr.invalid (Jérôme Rousselet) 06 Jun 2020

https://hal.inrae.fr/hal-02822656v1

[hal-02662888] Chenille processionnaire du pin: il faut agir

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ano.nymous@ccsd.cnrs.fr.invalid (Alice Leblond) 31 May 2020

https://hal.inrae.fr/hal-02662888v1

[hal-02823691] Calendrier indicatif des méthodes de lutte contre la processionnaire du pin en Région Ile-de-France

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ano.nymous@ccsd.cnrs.fr.invalid (Jérôme Rousselet) 06 Jun 2020

https://hal.inrae.fr/hal-02823691v1

[hal-02654961] C'est la chenille qui redémarre !

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ano.nymous@ccsd.cnrs.fr.invalid (Charlotte Cousin) 29 May 2020

https://hal.inrae.fr/hal-02654961v1

[hal-01578870] Méthodes de lutte alternatives à l'épandage aérien de produits phytosanitaires contre les processionnaires du pin et du chêne en conditions urbaines

Contexte : Les chenilles processionnaires sont des insectes défoliateurs que l’on rencontre dans les populations de pins et de chênes et sont les formes larvaires de deux types de lépidoptères : Thaumetopoea pityocampa pour la processionnaire du pin et Thaumetopoea processionea pour la processionnaire du chêne. Leurs pullulations périodiques sont connues dans différentes régions, essentiellement le pourtour méditerranéen et la façade atlantique jusqu’au Pyrénées-Orientales pour la processionnaire du pin, et les régions d’Alsace, de Bourgogne, d’Ile-de-France, du Centre, de Poitou-Charentes et de Midi-Pyrénées pour la processionnaire du chêne. Les chenilles processionnaires de pin et du chêne sont responsables d’une dermite (appelée érucisme) en lien avec les poils urticants et allergisants qui recouvrent leur corps. A l’automne 2011, les professionnels de la forêt privée ont déposé auprès de l’Agence régionale de la santé (ARS) d’Aquitaine des dossiers de demande de traitements par voie aérienne des chenilles processionnaire du pin pour des motifs de protection de la santé publique. Ces demandes concernaient essentiellement des zones urbanisées. L’arrêté du 31 mai 2011 relatif aux conditions d’épandage des produits mentionnés à l’article L. 253-1 de code rural de la pêche maritime par voie aérienne prévoit cependant le respect d’une distance minimale de sécurité de 50 mètres vis-à-vis des habitations et jardins. Les traitements, qui doivent être mis en oeuvre à l’automne, n’ont donc pas été effectués en Aquitaine par voie aérienne en 2011. Dans ces conditions se pose la question des solutions alternatives qui seraient à mettre en oeuvre à l’avenir pour lutter contre les chenilles processionnaires du pin et du chêne dans les zones urbanisées, tant en Aquitaine que dans les autres régions concernées.

ano.nymous@ccsd.cnrs.fr.invalid (Robert Delorme) 29 Aug 2017

https://hal.science/hal-01578870v1

[hal-03426805] Applying the Convention on Biological Diversity Pathway Classification to alien species in Europe

The number of alien species arriving within new regions has increased at unprecedented rates. Managing the pathways through which alien species arrive and spread is important to reduce the threat of biological invasions. Harmonising information on pathways across individual sectors and user groups is therefore critical to underpin policy and action. The European Alien Species Information Network (EASIN) has been developed to easily facilitate open access to data of alien species in Europe. The Convention on Biological Diversity (CBD) Pathway Classification framework has become a global standard for the classification of pathways. We followed a structured approach to assign pathway information within EASIN for a subset of alien species in Europe, which covered 4169 species, spanning taxonomic groups and environments. We document constraints and challenges associated with implementing the CBD Pathway Classification framework and propose potential amendments to increase clarity. This study is unique in the scope of taxonomic coverage and also in the inclusion of primary (independent introductions to Europe) and secondary (means of dispersal for species expansion within Europe, after their initial introduction) modes of introduction. In addition, we summarise the patterns of introduction pathways within this subset of alien species within the context of Europe. Based on the analyses, we confirm that the CBD Pathway Classification framework offers a robust, hierarchical system suitable for the classification of alien species introduction and spread across a wide range of taxonomic groups and environments. However, simple modifications could improve interpretation of the pathway categories ensuring consistent application across databases and information systems at local, national, regional, continental and global scales. Improving consistency would also help in the development of pathway action plans, as required by EU legislation.

ano.nymous@ccsd.cnrs.fr.invalid (Jan Pergl) 12 Nov 2021

https://hal.inrae.fr/hal-03426805v1

[anses-05175671] Avis de l'Anses relatif à « la catégorisation de Cordylomera spinicornis »

L’Anses a été saisie le 27 janvier 2023 par la direction générale de l’alimentation du ministère de l’agriculture et de la souveraineté alimentaire pour la réalisation de l’expertise suivante : Catégorisation de huit espèces d’insectes exotiques dont Cordylomera spinicornis. CONTEXTE ET OBJET DE LA SAISINE Dans le cadre de la surveillance des organismes réglementés ou émergents (SORE), un dispositif de piégeage a été déployé par la DGAL en 2021 avec l’appui de l’INRAE et de l’ONF. L’objectif de ce dispositif est d’effectuer une surveillance passive dans les sites d’entrée ,potentiels (ports, aéroports, marché d’intérêt national (MIN)) des organismes réglementés ou émergents. Ce piégeage est qualifié de « large spectre » car il peut concerner plusieurs filières, de production suivies dans le cadre de la SORE (forêts, jardins et espaces verts et ,infrastructures (JEVI), arboriculture fruitière) en ciblant cependant majoritairement les insectes coléoptères des ligneux. Les principes de la surveillance mise en œuvre s’appuient sur les résultats précédemment acquis dans le cadre du projet PORTRAP, utilisant des pièges génériques multi-composés pour la détection précoce d’insectes exotiques xylophages dans les sites potentiels d’entrée sur le territoire national. Les pièges ont été disposés sur 13 sites (7 ports maritimes, 1 port fluvial, 4 aéroports et 1 marché national) dispersés sur le territoire (France continentale). Au total 9279 individus appartenant à 110 espèces différentes ont été capturés. Aucune espèce d’insecte de quarantaine prioritaire n’a été piégée. En revanche, la présence d’individus appartenant à 8 espèces de coléoptères exotiques, à priori non répandues sur notre territoire, des familles Cerambycidae et Curculionidae (sous-familles des Scolytinae et Platypodinae) a été relevée. Les 8 espèces d’insectes exotiques sont les suivantes : Cerambycidae : Cordylomera spinicornis (Fabricius, 1775), Trichoferus campestris (Faldermann, 1835), Xylotrechus chinensis (Chevrolat, 1852), Xylotrechus stebbingi Gahan, 1906 ; Curculionidae : Amasa sp. near truncata, Euplatypus hintzii (Schaufuss, 1897), Euplatypus parallelus (Fabricius, 1801), Xyleborus affinis Eichhoff, 1868. Ainsi, il est demandé la réalisation d’une catégorisation des 8 espèces d’insectes exotiques en utilisant les critères de risque listés ci-dessous, afin de déterminer leur nuisibilité et de prioriser sur cette base la réalisation d’analyses de risque portant sur ces insectes. Critères de risque a. Caractéristiques des espèces • Cycle biologique, • Plantes hôtes, • Symptômes, • Aires de distribution, • Nuisibilité dans ces aires de distribution, • Probabilité d’entrée et de transfert vers les plantes hôtes. b. Probabilité d’établissement • Présence d’hôtes appropriés, conditions climatiques et autres facteurs abiotiques favorables à l’établissement des 8 espèces d’insecte dans la zone ARP, • Identification d’ennemis naturels potentiels dans la zone ARP, et d’autres facteurs biotiques ainsi que les pratiques culturales pouvant contribuer à empêcher leur établissement, • Définition des zones d’établissement potentielles dans la zone ARP. c. Probabilité de dissémination • Moyens de dissémination (naturelle et assistée) dans la zone ARP, • Magnitude de la dissémination des 8 espèces d’insecte. d. Conséquences potentielles • Évaluation de l’impact économique en terme de production, associé aux 8 espèces d’insectes pour l’agriculture, la sylviculture et l’horticulture dans leur zone de répartition géographique actuelle et dans la zone ARP, • Évaluation de l’impact en JEVI dans la zone ARP. e. Conclusions des catégorisations des organismes nuisibles Dans cet avis, la catégorisation de Cordylomera spinicornis sera présentée

ano.nymous@ccsd.cnrs.fr.invalid (Jean-Claude Gregoire) 22 Jul 2025

https://anses.hal.science/anses-05175671v1

[anses-04353534] Avis de l'Anses relatif à « la catégorisation de Xylotrechus chinensis »

Dans le cadre de la surveillance des organismes réglementés ou émergents (SORE), un dispositif de piégeage a été déployé par la DGAL en 2021 avec l’appui de l’INRAE et de l’ONF. L’objectif de ce dispositif est d’effectuer une surveillance passive dans les sites d’entrée potentiels (ports, aéroports, marchés d’intérêt national (MIN) des organismes réglementés ou émergents (SORE). Ce piégeage est qualifié de « large spectre » car il peut concerner plusieurs filières de production suivies dans le cadre de la SORE (forêts, jardins et espaces verts et infrastructures (JEVI), arboriculture fruitière) en ciblant cependant majoritairement les insectes coléoptères des ligneux. Les principes de la surveillance mise en œuvre s’appuient sur les résultats précédemment acquis dans le cadre du projet PORTRAP, utilisant des pièges génériques multi-composés pour la détection précoce d’insectes exotiques xylophages dans les sites potentiels d’entrée sur le territoire national. Les pièges ont été disposés sur 13 sites (7 ports maritimes, 1 port fluvial, 4 aéroports et 1 marché national) dispersés sur le territoire (France continentale). Au total 9279 individus appartenant à 110 espèces différentes ont été capturés. Aucune espèce d’insecte de quarantaine prioritaire n’a été piégée. En revanche, la présence d’individus appartenant à 8 espèces de coléoptères exotiques, a priori non répandues sur notre territoire, des familles Cerambycidae et Curculionidae (sous-familles des Scolytinae et Platypodinae) a été relevée. Les 8 espèces d’insectes exotiques sont les suivantes : Cerambycidae : Cordylomera spinicornis (Fabricius, 1775), Trichoferus campestris (Faldermann, 1835), Xylotrechus chinensis (Chevrolat, 1852), Xylotrechus stebbingi (Gahan, 1906) ; Curculionidae : Amasa sp. near truncata, Euplatypus hintzii (Schaufuss, 1897), Euplatypus parallelus (Fabricius, 1801), Xyleborus affinis Eichhoff, 1868. Ainsi, il est demandé la réalisation d’une catégorisation des 8 espèces d’insectes exotiques en utilisant les critères de risque listés ci-dessous, afin de déterminer leur nuisibilité et de prioriser sur cette base la réalisation d’analyses de risque portant sur ces insectes.

ano.nymous@ccsd.cnrs.fr.invalid (Jean-Claude Grégoire) 19 Dec 2023

https://anses.hal.science/anses-04353534v1

[hal-04871434] Tracking the North American Asian Longhorned Beetle Invasion With Genomics

Biological invasions pose significant threats to ecological and economic stability, with invasive pests like the Asian longhorned beetle (Anoplophora glabripennis Motschulsky, ALB) causing substantial damage to forest ecosystems. Effective pest management relies on comprehensive knowledge of the insect's biology and invasion history. This study uses genomics to address these knowledge gaps and inform existing biosurveillance frameworks. We used 2768 genome-wide single nucleotide polymorphisms to compare invasive A. glabripennis populations in North America, using genomic variation to trace their sources of invasion and spread patterns, thereby refining our understanding of this species' invasion history. We found that most North American A. glabripennis infestations were distinct, resulting from multiple independent introductions from the native range. Following their introduction, all invasive populations experienced a genetic bottleneck which was followed by a population expansion, with a few also showing secondary spread to satellite infestations. Our study provides a foundation for a genome-based biosurveillance tool that can be used to clarify the origin of intercepted individuals, allowing regulatory agencies to strengthen biosecurity measures against this invasive beetle.

ano.nymous@ccsd.cnrs.fr.invalid (Mingming Cui) 07 Jan 2025

https://hal.inrae.fr/hal-04871434v1

[hal-03439144] Detection and Replication of Moku Virus in Honey Bees and Social Wasps

Transmission of honey bee viruses to other insects, and vice versa, has previously been reported and the true ecological importance of this phenomenon is still being realized. Members of the family Vespidae interact with honey bees via predation or through the robbing of brood or honey from colonies, and these activities could result in virus transfer. In this study we screened Vespa velutina and Vespa crabro collected from Europe and China and also honey bees and Vespula vulgaris from the UK for Moku virus (MV), an Iflavirus first discovered in the predatory social wasp Vespula pensylvanica in Hawaii. MV was found in 71% of Vespula vulgaris screened and was also detected in UK Vespa crabro. Only seven percent of Vespa velutina individuals screened were MV-positive and these were exclusively samples from Jersey. Of 69 honey bee colonies screened, 43% tested positive for MV. MV replication was confirmed in Apis mellifera and Vespidae species, being most frequently detected in Vespula vulgaris. MV sequences from the UK were most similar to MV from Vespula pensylvanica compared to MV from Vespa velutina in Belgium. The implications of the transfer of viruses between the Vespidae and honey bees are discussed.

ano.nymous@ccsd.cnrs.fr.invalid (Andrea Highfield) 22 Nov 2021

https://hal.inrae.fr/hal-03439144v1

[hal-04312053] Genome‐scale phylogeography resolves the native population structure of the Asian longhorned beetle, Anoplophora glabripennis (Motschulsky)

Human‐assisted movement has allowed the Asian longhorned beetle (ALB, Anoplophora glabripennis (Motschulsky)) to spread beyond its native range and become a globally regulated invasive pest. Within its native range of China and the Korean peninsula, human‐mediated dispersal has also caused cryptic translocation of insects, resulting in population structure complexity. Previous studies used genetic methods to detangle this complexity but were unable to clearly delimit native populations which is needed to develop downstream biosurveillance tools. We used genome‐wide markers to define historical population structure in native ALB populations and contemporary movement between regions. We used genotyping‐by‐sequencing to generate 6102 single‐nucleotide polymorphisms (SNPs) and amplicon sequencing to genotype 53 microsatellites. In total, we genotyped 712 individuals from ALB’s native distribution. We observed six distinct population clusters among native ALB populations, with a clear delineation between northern and southern groups. Most of the individuals from South Korea were distinct from populations in China. Our results also indicate historical divergence among populations and suggest limited large‐scale admixture, but we did identify a restricted number of cases of contemporary movement between regions. We identified SNPs under selection and describe a clinal allele frequency pattern in a missense variant associated with glycerol kinase, an important enzyme in the utilization of an insect cryoprotectant. We further demonstrate that small numbers of SNPs can assign individuals to geographic regions with high probability, paving the way for novel ALB biosurveillance tools.

ano.nymous@ccsd.cnrs.fr.invalid (Mingming Cui) 19 Feb 2025

https://hal.inrae.fr/hal-04312053v1

[anses-04616086] Avis de l'Anses relatif à « l’avenant à la saisine de catégorisation de 8 espèces d’insectes exotiques incluant Xylotrechus chinensis »

Xylotrechus chinensis (XYLOCH) est un insecte longicorne originaire de la région paléarctique orientale (Chine, Corée du Nord, Corée du Sud, Japon et Taïwan) dont la présence a été signalée pour la première fois sur le territoire de l’Union européenne (UE) en Espagne (depuis 2013 en Catalogne, 2018 à Valence), en Grèce (depuis 2017 en Crète, 2019 à Athènes), en France (depuis 2017 en Occitanie, 2018 en Nouvelle-Aquitaine) et en Italie (depuis 2023 en Lombardie) où il cause des dégâts sur mûrier platane (Morus bombycis). Selon les données scientifiques fournies précédemment par l’Anses et dans un avis de l’EFSA publié en 2021 , cet organisme nuisible se développe préférentiellement dans les arbres de la famille des Moraceae (Morus alba, M. bombycis et M. australis). X. chinensis est inscrit depuis 2018 sur la liste d'alerte de l'OEPP . Dans son avis de 2021, l’EFSA indique que cet organisme remplit les critères pour être catégorisé comme organisme de quarantaine de l'Union européenne (UE) sans prendre en compte les éventuelles sous-espèces et en précisant comme autre source d'incertitude la réelle étendue de sa présence sur le territoire européen. Sur le territoire français X. chinensis a été classé temporairement comme organisme réglementé en 2022. Des actions de surveillance ont été conduites pour tenter de délimiter le périmètre des foyers observés et d’identifier les potentiels impacts. Des échanges ont eu lieu ultérieurement au niveau de l’UE concernant la possibilité de réglementer cet organisme sur le territoire de l’Union ; cette option n’a pas été retenue à ce stade compte tenu notamment des capacités de dispersion rapide de l’organisme nuisible et de son impact économique qui semble limité aux plantes du genre Morus. En France, la surveillance a mis en évidence des attaques sévères sur certains individus du genre Morus. Elle a également montré que les foyers concernent des surfaces importantes dans les régions de Sète et de Bordeaux; leur éradication ne semble pas réalisable d’autant qu’ils se situent dans des espaces urbanisés, ce qui complexifie la mise en œuvre de mesures de gestion. Pour autant, la mise en œuvre de mesures de lutte dans le but de maintenir un niveau de population le plus bas possible pour limiter les impacts et la propagation de l’organisme nuisible pourrait avoir du sens dans certains contextes compte tenu des éléments suivants : - les mûriers sont des arbres d’ornement dont la présence est relativement importante en particulier dans le sud de la France et certains de ces mûriers ont une valeur patrimoniale ; les foyers ont une surface encore limitée par rapport à l’aire de répartition des mûriers en France ; la gestion des arbres infestés peut représenter un enjeu de sécurité pour les municipalités ; même si jusqu’à présent, l’organisme n’a été identifié que sur mûrier dans l’UE, il n’est pas possible d’exclure à ce jour qu’il puisse s’attaquer à des espèces d’intérêt agronomique (des échanges sont en cours avec l’INRAE à ce sujet dans le but d’essayer de lever certaines incertitudes). (extrait)

ano.nymous@ccsd.cnrs.fr.invalid (Jean-Claude Gregoire) 18 Jun 2024

https://anses.hal.science/anses-04616086v1

[hal-05388136] DAISIE - Inventory of alien invasive species in Europe

The DAISIE - inventory of alien invasive species in Europe is a species checklist dataset published by the Research Institute for Nature and Forest (INBO) and the Centre for Ecology and Hydrology (CEH). It contains information on 12,104 taxa (mostly species and mostly introduced) occurring in the wild in Europe since 1500. It covers a broad taxonomic spectrum of terrestrial and aquatic free living and parasitic organisms. The collation of the alien species list is the result of the efforts of the DAISIE (http://www.europe-aliens.org) project partners and more than 300 collaborators from Europe and neighbouring countries, involved in different fields of expertise and organisations. Here the DAISIE checklist is published as a standardized Darwin Core Archive and includes for each species: the scientific name, higher classification, and stable taxon identifier (in the taxon core), the vernacular names (in the vernacular names extension), the presence in a specific region, the year of the first introduction (first collection) and/or last assessment/observation in that region, as well as extra information (in the distribution extension), and the habitat, native range, and ecofunctional group (in the description extension). The DAISIE dataset is no longer maintained, but can be used as a historical archive for researching and managing alien plants or compiling regional and national registries of alien species. Issues with the dataset can be reported at https://github.com/trias-project/daisie-checklist. We have released this dataset under a Creative Commons Attribution license (CC-BY 4.0). We would appreciate it if you follow the GBIF citation guidelines (https://www.gbif.org/citation-guidelines) when using the data. If you have any questions regarding this dataset, don’t hesitate to contact us via the contact information provided in the metadata or via https://twitter.com/trias_project. The publication of the checklist to GBIF was supported by the European Cooperation in Science and Technology (COST) action Alien CSI “CA17122 - Increasing understanding of alien species through citizen science” as a Short Term Scientific Mission “Publishing alien species checklist data for Europe through repeatable, open workflows”, with technical support provided by the Research Institute for Nature and Forest (INBO).

ano.nymous@ccsd.cnrs.fr.invalid (David Roy) 28 Nov 2025

https://hal.inrae.fr/hal-05388136v1

[tel-04622319] Approches génomiques pour la biodétection d'insectes invasifs forestiers

Les invasions biologiques, en particulier celles d'insectes xylophages comme les Cérambycides, sont en constante augmentation, principalement en raison du changement climatique et de l'intensification des échanges commerciaux. Ces insectes, transportés principalement par le commerce international du bois, s'établissent dans de nouveaux écosystèmes dans lesquels ils n'ont pas forcément d'ennemis naturels. Une fois établis, ils peuvent causer des dégâts considérables aux forêts et aux zones urbanisées, menaçant ainsi la biodiversité, l'économie et la santé des écosystèmes. Ces invasions nécessitent donc une surveillance et une gestion rigoureuses pour prévenir et atténuer leurs impacts dévastateurs.Dans ce contexte, cette thèse a pour objectifs principaux : (i) évaluer l'efficacité du métabarcoding, une méthode permettant d'identifier simultanément et rapidement plusieurs espèces d'insectes collectées dans un même piège, en utilisant le séquenceur MinION d'Oxford Nanopore®. Ce séquenceur présente l'avantage d'être portatif et peu couteux, le rendant ainsi plus accessible que les technologies concurrentes. (ii) Créer une librairie de référence de codes-barres moléculaires pour les Cerambycides européens afin de fournir à la communauté scientifique une base de données pour effectuer des analyses fiables d'identification basées sur l'ADN. (iii) Étudier la structure génétique des populations invasives d'une espèce exotique introduit dans le bassin méditerranéen (Xylotrechus stebbingi) afin de mieux comprendre sa dynamique d'invasion de cet insecte originaire d'Asie.Concernant le premier objectif de cette thèse, nos résultats ont montré que le séquenceur MinION d'Oxford Nanopore® était performant pour la détection et l'identification rapide d'espèces invasives, par comparaison aux technologies de séquençage Illumina® et IonTorrent. Nos résultats montrent également que la méthode de piégeage et de préservation des échantillons dans les pièges est un prérequis essentiel qui conditionne la détection fiable des espèces présentes dans les échantillons. En ce qui concerne le deuxième chapitre, nous avons pu assembler 2928 séquences de codes-barres ADN pour 147 espèces de cérambycidés, soit plus de 79% des 185 espèces capturées en Europe à l'aide de pièges multi-phéromonaux. Cette nouvelle base de données pourrait être utilisée pour identifier avec précision le contenu des pièges multi-phéromonaux déployés en Europe lors d'analyses de codes-barres ou de métabarcodes. Enfin, dans le troisième chapitre de cette thèse, nous avons mis en évidence que l'invasion du xylophage Xylotrechus stebbingi dans le bassin méditerranéen résultait d'une série d'introductions multiples, probablement en lien avec les échanges commerciaux maritimes plutôt qu'à une unique introduction qui se serait propagée au fil du temps. Ces résultats impliquent que cette espèce, hautement polyphage et à fort potentiel invasif, risque d'envahir de nouvelles régions du monde (en dehors du bassin méditerranéen) dans les prochaines années via le transport maritime. Par conséquent, il est nécessaire de rester vigilant dans les zones portuaires afin de limiter au maximum la propagation de cet insecte.

ano.nymous@ccsd.cnrs.fr.invalid (Loïs Veillat) 24 Jun 2024

https://theses.hal.science/tel-04622319v1

[hal-05499984] Guix-HPC Activity Report 2025

<div><p>Guix-HPC is a collaborative effort to bring reproducible software deployment to scientific workflows and high-performance computing (HPC). Guix-HPC builds upon the GNU Guix software deployment tools and aims to make them useful for HPC practitioners and scientists concerned with dependency graph control and customization and, uniquely, reproducible research.</p> <p>Guix-HPC started as a joint software development project involving three research institutes: Inria , the Max Delbrück Center for Molecular Medicine (MDC) and the Utrecht Bioinformatics Center (UBC). Guix for HPC and reproducible research has since received contributions from many individuals and organizations, including CNRS , Université Paris Cité , the University of Tennessee Health Science Center (UTHSC), Cornell University, and AMD. HPC remains a conservative domain but over the years, we have reached out to many organizations and people who share our goal of improving upon the status quo when it comes to software deployment.</p> <p>This report—our eighth report!—highlights key achievements of Guix-HPC between our previous report a year ago and today, February 2026. This year was marked by exciting developments for HPC and reproducible workflows. Significant advances were made in integrating Guix into the complex software landscape of HPC, taking the roles of software manager, workflow execution engine, backend for generating container images, or provider for the complete operating system layer. </p> <p>This year was also marked by the migration to Codeberg, a non-profit and community-led European platform whose main objective is to facilitate the expansion of the contributor community. Finally, support for reproducing computations from the past was also much improved. And, as usual, we have been using Guix for research, and teaching other researchers how to get started. </p></div>

ano.nymous@ccsd.cnrs.fr.invalid (Céline Acary-Robert) 09 Feb 2026

https://hal.science/hal-05499984v1

[hal-02638263] Crossing frontiers in tackling pathways of biological Invasions

Substantial progress has been made in understanding how pathways underlie and mediate biological invasions. However, key features of their role in invasions remain poorly understood, available knowledge is widely scattered, and major frontiers in research and management are insufficiently characterized. We review the state of the art, highlight recent advances, identify pitfalls and constraints, and discuss major challenges in four broad fields of pathway research and management: pathway classification, application of pathway information, management response, and management impact. We present approaches to describe and quantify pathway attributes (e.g., spatiotemporal changes, proxies of introduction effort, environmental and socioeconomic contexts) and how they interact with species traits and regional characteristics. We also provide recommendations for a research agenda with particular focus on emerging (or neglected) research questions and present new analytical tools in the context of pathway research and management.

ano.nymous@ccsd.cnrs.fr.invalid (Franz Essl) 28 May 2020

https://hal.inrae.fr/hal-02638263v1

[hal-02629243] Global rise in emerging alien species results from increased accessibility of new source pools

Our ability to predict the identity of future invasive alien species is largely based upon knowledge of prior invasion history. Emerging alien species-those never encountered as aliens before-therefore pose a significant challenge to biosecurity interventions worldwide. Understanding their temporal trends, origins, and the drivers of their spread is pivotal to improving prevention and risk assessment tools. Here, we use a database of 45,984 first records of 16,019 established alien species to investigate the temporal dynamics of occurrences of emerging alien species worldwide. Even after many centuries of invasions the rate of emergence of new alien species is still high: Onequarter of first records during 2000-2005 were of species that had not been previously recorded anywhere as alien, though with large variation across taxa. Model results show that the high proportion of emerging alien species cannot be solely explained by increases in well-known drivers such as the amount of imported commodities from historically important source regions. Instead, these dynamics reflect the incorporation of new regions into the pool of potential alien species, likely as a consequence of expanding trade networks and environmental change. This process compensates for the depletion of the historically important source species pool through successive invasions. We estimate that 1-16% of all species on Earth, depending on the taxonomic group, qualify as potential alien species. These results suggest that there remains a high proportion of emerging alien species we have yet to encounter, with future impacts that are difficult to predict.

ano.nymous@ccsd.cnrs.fr.invalid (Hanno Seebens) 27 May 2020

https://hal.inrae.fr/hal-02629243v1

[hal-01607783] No saturation in the accumulation of alien species worldwide

Although research on human-mediated exchanges of species has substantially intensified during the last centuries, we know surprisingly little about temporal dynamics of alien species accumulations across regions and taxa. Using a novel database of 45,813 first records of 16,926 established alien species, we show that the annual rate of first records worldwide has increased during the last 200 years, with 37% of all first records reported most recently (1970-2014). Inter-continental and inter-taxonomic variation can be largely attributed to the diaspora of European settlers in the nineteenth century and to the acceleration in trade in the twentieth century. For all taxonomic groups, the increase in numbers of alien species does not show any sign of saturation and most taxa even show increases in the rate of first records over time. This highlights that past efforts to mitigate invasions have not been effective enough to keep up with increasing globalization.

ano.nymous@ccsd.cnrs.fr.invalid (Hanno Seebens) 27 May 2020

https://hal.science/hal-01607783v1

[hal-02624078] Blurring alien introduction pathways risks losing the focus on invasive species policy

[...]

ano.nymous@ccsd.cnrs.fr.invalid (Philip E Hulme) 26 May 2020

https://hal.inrae.fr/hal-02624078v1

[hal-01602700] Troubling travellers: are ecologically harmful alien species associated with particular introduction pathways?

Prioritization of introduction pathways is seen as an important component of the management of biological invasions. We address whether established alien plants, mammals, freshwater fish and terrestrial invertebrates with known ecological impacts are associated with particular introduction pathways (release, escape, contaminant, stowaway, corridor and unaided). We used the information from the European alien species database DAISIE (www.europe-aliens.org) supplemented by the EASIN catalogue (European Alien Species Information Network), and expert knowledge. Plants introduced by the pathways release, corridor and unaided were disproportionately more likely to have ecological impacts than those introduced as contaminants. In contrast, impacts were not associated with particular introduction pathways for invertebrates, mammals or fish. Thus, while for plants management strategies should be targeted towards the appropriate pathways, for animals, management should focus on reducing the total number of taxa introduced, targeting those pathways responsible for high numbers of introductions. However, regardless of taxonomic group, having multiple introduction pathways increases the likelihood of the species having an ecological impact. This may simply reflect that species introduced by multiple pathways have high propagule pressure and so have a high probability of establishment. Clearly, patterns of invasion are determined by many interacting factors and management strategies should reflect this complexity.

ano.nymous@ccsd.cnrs.fr.invalid (Jan Pergl) 26 May 2020

https://hal.science/hal-01602700v1

[hal-02653040] Permanent genetic resources added to molecular ecology resources database 1 august 2011-30 september 2011

This article documents the addition of 299 microsatellite marker loci and nine pairs of single-nucleotide polymorphism (SNP) EPIC primers to the Molecular Ecology Resources (MER) Database. Loci were developed for the following species: Alosa pseudoharengus, Alosa aestivalis, Aphis spiraecola, Argopecten purpuratus, Coreoleuciscus splendidus, Garra gotyla, Hippodamia convergens, Linnaea borealis,Menippe mercenaria,Menippe adina, Parus major, Pinus densiflora, Portunus trituberculatus, Procontarinia mangiferae, Rhynchophorus ferrugineus, Schizothorax richardsonii, Scophthalmus rhombus, Tetraponera aethiops, Thaumetopoea pityocampa, Tuta absoluta and Ugni molinae. These loci were cross-tested on the following species: Barilius bendelisis, Chiromantes haematocheir, Eriocheir sinensis, Eucalyptus camaldulensis, Eucalyptus cladocalix, Eucalyptus globulus, Garra litaninsis vishwanath, Garra para lissorhynchus, Guindilla trinervis, Hemigrapsus sanguineus, Luma chequen. Guayaba, Myrceugenia colchagu¨ensis, Myrceugenia correifolia, Myrceugenia exsucca, Parasesarma plicatum, Parus major, Portunus pelagicus, Psidium guayaba, Schizothorax richardsonii, Scophthalmus maximus, Tetraponera latifrons, Thaumetopoea bonjeani, Thaumetopoea ispartensis, Thaumetopoea libanotica, Thaumetopoea pinivora, Thaumetopoea pityocampa ena clade, Thaumetopoea solitaria, Thaumetopoea wilkinsoni and Tor putitora. This article also documents the addition of nine EPIC primer pairs for Euphaea decorata, Euphaea formosa, Euphaea ornata and Euphaea yayeyamana.

ano.nymous@ccsd.cnrs.fr.invalid (S.W. A'Hara) 29 May 2020

https://hal.inrae.fr/hal-02653040v1

[tel-03893426] Modélisation de la phénologie d'une espèce emblématique du changement climatique : la processionnaire du pin

Face au changement climatique, des modifications de la distribution et de la phénologie des espèces ont été observées. La processionnaire du pin (PP) (Thaumetopoea pityocampa) est considérée comme un modèle d’étude pour comprendre l’effet du réchauffement climatique sur la distribution des espèces car sa distribution s’étend en réponse à l’augmentation des températures hivernales. La PP est un ravageur forestier à impact économique et sanitaire. L’apparition de processions précoces atypiques dans certaines régions a été observée ces dernières années. Cependant, les conséquences du changement climatique sur sa phénologie restent encore peu connues. Une meilleure compréhension des variations spatiales et temporelles de la phénologie est cruciale, non seulement pour mieux comprendre l’effet du changement climatique sur la PP, mais aussi pour optimiser les méthodes de lutte et prévenir des risques d’urtication étant donné qu’il est nécessaire pour cela de savoir quand les différents stades larvaires sont présents. Afin de tester l’hypothèse d’une variation de la phénologie dans le temps (du fait du changement climatique) et dans l’espace (du fait des différents types de climats rencontrés en France), des suivis de la période de vol, du développement larvaire et de la période de procession ont été réalisés de 2018 à 2021 dans plusieurs régions biogéographiques en France. Ces données ont été comparées aux données historiques datant des années 1970-1980. Un potentiel étalement du vol et peu de variation dans la période de procession ont été mis en évidence. La phénologie de l’espèce varie dans l’espace en fonction des températures de l’été, de la date des premiers gels et de la rigueur de l’hiver. Afin d’identifier les mécanismes responsables de ces variabilités phénologiques, un modèle mathématique a été développé pour prédire les stades phénologiques de l’œuf jusqu’au dernier stade larvaire. Celui-ci a été calibré sur les courbes de performances thermiques des différents stades de la PP, obtenues en conditions contrôlées, à partir de la population d’Orléans. Les valeurs des paramètres de ces courbes étaient effectivement différentes selon les stades. Le modèle a ensuite été validé de manière indépendante grâce aux données de suivis réalisés à Orléans durant l’étude. L’augmentation de la température globale et/ou des vagues de chaleur en automne expliqueraient l’occurrence de processions précoces. Face au changement climatique, ces processions devraient donc être plus fréquentes. Le modèle a ensuite été testé sur cinq autres populations suivies durant cette étude, situées dans des régions climatiques différentes. Celui-ci rend bien compte de la variabilité spatiale de la phénologie observée. Le modèle phénologique prend comme variable la température de l’air. Or, les larves se trouvent dans un nid de soie. Dans le but de déterminer et simuler le microclimat associé au nid, un modèle biophysique a été développé. Le nid confère un microclimat chaud pouvant impacter le développement et potentiellement la survie des larves. En mesurant la tolérance thermique des différents stades larvaires,différents seuils thermiques ont été identifiés. Les résultats obtenus dans cette thèse montrent qu’il est important de considérer les contraintes de développement et de survie de chaque stade afin de prédire correctement l’effet des conditions climatiques sur la phénologie et la survie de la PP. Ils montrent aussi clairement que les changements de phénologie de la PP sont en lien avec le changement climatique. Ainsi la PP pourrait être un modèle d’étude pour comprendre l’effet du changement climatique sur la distribution et la phénologie des espèces, deux composantes étroitement liées.

ano.nymous@ccsd.cnrs.fr.invalid (Laura Poitou) 11 Dec 2022

https://theses.hal.science/tel-03893426v1

[tel-02463831] Indentification des facteurs sous-tendant l'invasion fulgurante d'un insecte asiatique en Europe, la pyrale du buis : approche génétique et biologique

Depuis les années 1990, on observe une accélération de la vitesse de propagation après établissementd’une grande partie des insectes introduits accidentellement en Europe. L’invasion fulgurante de lapyrale du buis, Cydalima perspectalis, est un exemple de ce phénomène. Observée pour la premièrefois en 2007 en Allemagne, elle s’est ensuite propagée jusqu’au Caucase en une décennie. Il a étérapidement supposé que le commerce de buis d’ornement entre les pays européens et la Chine auraitpermis son introduction tandis que l‘intensification des échanges commerciaux entre pays européensaurait facilité sa propagation à travers le continent. Cependant, certains traits biologiques de l’insecteont également pu favoriser son invasion. Pour mieux comprendre les facteurs impliqués dans soninvasion fulgurante, une approche pluridisciplinaire a été utilisée au cours de cette thèse. Tout d’abord,les routes d’invasion ont été appréhendées avec deux types de marqueurs génétiques. Puis, deux traitsbiologiques ayant pu favoriser son établissement et son expansion ont été étudiés : ses capacités devol et la diapause. Les résultats génétiques ont permis de cibler la partie côtière de la Chine commezone source probable, et suggèrent au moins deux introductions indépendantes depuis la Chine suivipar un phénomène tête de pont probablement lié au commerce d’ornement. Les capacités de volestimées sont élevées et expliqueraient la dispersion de l’insecte à l’échelle locale. De plus, la sortie dediapause influencée par la température a pu permettre l’adaptation du nombre de générations enfonction du climat annuel. Ces deux traits biologiques ont par conséquent dû favoriser son invasion àl’échelle locale mais il apparaît que les activités humaines, en particulier le commerce des plantesornementales, ont joué un rôle majeur dans son invasion fulgurante à large échelle en Europe et auCaucase.

ano.nymous@ccsd.cnrs.fr.invalid (Audrey Bras) 02 Feb 2020

https://theses.hal.science/tel-02463831v1

[tel-01951721] Invasion du capricorne asiatique Anoplophora glabripennis : génétique, traits d’histoire de vie et écologie

Le capricorne asiatique Anoplophora glabripennis est un exemple d’insecte ayant bénéficié du commerce international depuis l’Asie pour envahir une partie de l’Amérique du Nord où il est présent depuis les années 1990, et de l’Europe où sa présence a été détectée au début des années 2000. Cette espèce hautement polyphage se développe dans les arbres urbains et peut causer leur mort, soulignant l’importance du contrôle de sa population. En utilisant une approche pluridisciplinaire sur la base du modèle A. glabripennis, cette thèse vise à apporter de nouveaux éléments pour la compréhension globale des invasions biologiques. Dans un premier temps, j’ai cherché à retracer son cheminement dans le monde. Dans un second temps, j’ai cherché à savoir si certaines de ses caractéristiques biologiques avaient contribué au succès de son invasion. Enfin, j’ai abordé la question de l’impact écologique d’A.glabripennis en me focalisant sur les modifications de la faune de xylophages que sa présence aurait pu entrainer. Les résultats obtenus au cours de cette thèse ont permis de mettre en évidence une invasion complexe incluant plusieurs introductions ainsi qu’un scénario de tête de pont entre l’Amérique du Nord et l’Europe. Il apparait également que certains traits de l’espèce ont contribué à modeler son schéma de distribution. Sa résistance au stress thermique notamment a probablement favorisé son installation sous des climats variés. Par ailleurs, la dispersion naturelle d’A. glabripennis semble très limitée, mais mes résultats indiquent que l’espèce n’est pas restreinte par ses capacités physiologiques pour disperser. Enfin, l’étude préliminaire des faunes envahies ne révèle pas pour le moment d’effet de l’espèce sur les autres Cérambycidés. Au regard des autres cas d’invasion documentés, le cas d’A.glabripennis souligne donc la diversité des caractéristiques des espèces devenant invasives, et confirme la difficulté d’en dresser un portrait type.

ano.nymous@ccsd.cnrs.fr.invalid (Marion Javal) 11 Dec 2018

https://theses.hal.science/tel-01951721v2

[hal-05485107] From forest decline to salvage logging: cascading impacts on saproxylic beetle diversity

Understanding the cascading effects of forest decline on saproxylic communities is fundamental for optimizing the management of disturbed forests toward biodiversity conservation objectives. We postulated that the nature and intensity of cascading pathways would vary along decline gradients, encompassing stages from stand decline to mortality and subsequent salvage logging, as mediated by shifts in habitat conditions and resource availability. This study was conducted across three representative European forest contexts: fir forests in the French Pyrenees, spruce forests in the Bavarian Alps, and oak forests in the lowlands of the Loire Valley. Within these systems, we assessed how the taxonomic and functional α-diversity of saproxylic beetles responded to variations in both the diversity and density of deadwood and tree-related microhabitats (TreMs). Our analyses identified key cascading effects of stand decline and mortality that were shaped by the considered beetle guild and by the forest type, reflecting tree species–specific disturbance legacies. Stand decline and mortality produced distinct responses within saproxylic beetle assemblages, as different successional guilds preferentially utilized either dying or dead trees. The overall influence of decline processes was positive in conifer-dominated forests. TreMs played a central role in mediating cascading processes structuring saproxylic beetle communities throughout the forest decline continuum. The increase in TreM heterogeneity associated with stand decline or mortality enhanced saproxylic diversity, with exposed wood and trunk injuries identified as particularly influential microhabitats. Snags and large deadwood elements, especially in spruce forests, and deadwood diversity further contributed to sustaining high levels of beetle diversity. Conversely, salvage logging exerted detrimental effects on numerous guilds, primarily through reductions in TreM diversity, decreased TreM trait dispersion, and the depletion of saproxylic TreMs. Given the pronounced context dependency of the processes driving these cascading community dynamics, and considering the increasing frequency, severity, and spatial extent of forest disturbances and global forest decline, it is imperative to integrate this complexity into management and conservation frameworks. Addressing these mechanisms with greater precision will be critical for maintaining functional biodiversity within rapidly changing forest ecosystems.

ano.nymous@ccsd.cnrs.fr.invalid (Jérémy Cours) 30 Jan 2026

https://hal.inrae.fr/hal-05485107v1

[mnhn-05431499] À propos de Cilix hispanica : présence en Indre-et-Loire et façon de le reconnaître plus facilement sur le terrain (Lepidoptera Drepanidae Drepaninae)

La présence de Cilix hispanica est signalée pour la première fois dans le département de l’Indre-et-Loire. En outre, les auteurs dévoilent un caractère morphologique inédit permettant de différencier de manière certaine hispanica des formes claires de glaucata sans avoir recours à l’examen des genitalia ni des codes-barres ADN. Par ailleurs, l’holotype et les deux paratypes de Cilix algirica sont figurés.

ano.nymous@ccsd.cnrs.fr.invalid (Antoine Lévêque) 25 Dec 2025

https://mnhn.hal.science/mnhn-05431499v1

[hal-05057758] Exploring the taxonomic status of the Palearctic cone weevil, Pissodes validirostris, inferred from morphometric and molecular data

The Scots pine cone weevil, Pissodes validirostris Gyll. (Coleoptera: Curculionidae) widely distributed from Europe, across to North-Eastern China, consumes the cones of Mediterranean pines, as well those of the sylvestris section. The use of multiple host pine species with limited and patchy distributions, combined with low dispersal rates, likely contributed to significant genetic and morphological variation among P. validirostris populations in its native range. P. validirostris is being considered as a biological control agent for wilding pines in the southern hemisphere and for this programme to proceed, elucidating its intraspecific variability is necessary. This study aimed to explore the phylogeography of P. validirostris in its native range in Europe using mitochondrial and nuclear genetic markers as well as morphological characters. The integrative taxonomic analysis revealed high genetic structuring in P. validirostris populations, identifying three main phylogeographic clades: Clade A (Iberian Peninsula, associated with Pinus pinaster and Pinus halepensis ), Clade B (Central Europe), and Clade C (Northern and Eastern Europe), both associated with Pinus species of the sylvestris section. The morphometric data showed that adults of the Iberic Peninsula clade were significantly larger than those of the two others. When compared to other Nearctic and Palearctic congeneric species, P. validirostris formed a monophyletic group, likely consisting of different evolutionary lineages within the sampled distribution. The findings highlight the necessity of genetic confirmation for insect taxonomy across wide distributions or multiple host trees. Clarifying whether host specificity or geography drives P. validirostris population structuring will facilitate the selection of a specific clade for wilding pine biological control.

ano.nymous@ccsd.cnrs.fr.invalid (Coralie Bertheau) 15 Jul 2025

https://hal.science/hal-05057758v1

[hal-05151321] Genetic diversity within and among populations of Diprion pini (Hym., Diprionidae) determined by random amplified polymorphic DNA‐polymerase chain reaction of haploid males

Abstract: Based on haploid males, random amplified polymorphic DNA (RAPD) markers were used to study genetic variation within and among four French populations and one Finnish outgroup population of the common pine sawfly, Diprion pini (L.), representing a severe European forest pest associated with mass outbreaks. Taking into account that all multilocus haplotypes were detected, a total of 140 individuals were completely discriminated by means of 17 polymorphic markers (present or absent), which were amplified from nine selected random‐decamer primers. All populations shared the same genetic types, but pronounced population‐specific frequency distributions were found, indicating that on average 84% of the present genetic variation exists within populations and the remaining smaller part counts for interpopulational variation. The haplotype differentiation registered was able to distinguish between the class of lowland populations and the class of highland populations. Reproductive isolation and therefore limited altitudinal gene flow, indicated in case of a French highland population by an enlarged number of fixed markers, and hitchhiking effects with respect to selective processes at certain loci following local adaptation and speciation are discussed to explain the population structures found. A possible selection is indicated by five markers, showing significantly different frequency distributions between the class of highland populations and the class of lowland populations.

ano.nymous@ccsd.cnrs.fr.invalid (R. Baumann) 08 Jul 2025

https://hal.inrae.fr/hal-05151321v1

[hal-04385991] Persisting roadblocks in arthropod monitoring using non-destructive metabarcoding from collection media of passive traps

Background Broad-scale monitoring of arthropods is often carried out with passive traps ( e.g., Malaise traps) that can collect thousands of specimens per sample. The identification of individual specimens requires time and taxonomic expertise, limiting the geographical and temporal scale of research and monitoring studies. DNA metabarcoding of bulk-sample homogenates has been found to be faster, efficient and reliable, but the destruction of samples prevents a posteriori validation of species occurrences and relative abundances. Non-destructive metabarcoding of DNA extracted from collection medium has been applied in a limited number of studies, but further tests of efficiency are required with different trap types and collection media to assess the consistency of the method. Methods We quantified the detection rate of arthropod species when applying non-destructive DNA metabarcoding with a short (127-bp) fragment of mitochondrial COI on two combinations of passive traps and collection media: (1) water with monopropylene glycol (H 2 O–MPG) used in window-flight traps (WFT, 53 in total); (2) ethanol with monopropylene glycol (EtOH–MPG) used in Malaise traps (MT, 27 in total). We then compared our results with those obtained for the same samples using morphological identification (for WFTs) or destructive metabarcoding of bulk homogenate (for MTs). This comparison was applied as part of a larger study of arthropod species richness in silver fir ( Abies alba Mill., 1759) stands across a range of climate-induced tree dieback levels and forest management strategies. Results Of the 53 H 2 O-MPG samples from WFTs, 16 produced no metabarcoding results, while the remaining 37 samples yielded 77 arthropod MOTUs in total, of which none matched any of the 343 beetle species morphologically identified from the same traps. Metabarcoding of 26 EtOH–MPG samples from MTs detected more arthropod MOTUs (233) than destructive metabarcoding of homogenate (146 MOTUs, 8 orders), of which 71 were shared MOTUs, though MOTU richness per trap was similar between treatments. While we acknowledge the failure of metabarcoding from WFT-derived collection medium (H 2 O–MPG), the treatment of EtOH-based Malaise trapping medium remains promising. We conclude however that DNA metabarcoding from collection medium still requires further methodological developments and cannot replace homogenate metabarcoding as an approach for arthropod monitoring. It can be used nonetheless as a complementary treatment when enhancing the detection of soft-bodied arthropods like spiders and Diptera.

ano.nymous@ccsd.cnrs.fr.invalid (Lucas Sire) 12 Jan 2024

https://hal.inrae.fr/hal-04385991v1

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Nos publications

HAL : Dernières publications

[hal-02650797] An extreme case of plant-insect codiversification: figs and fig-pollinating wasps

[hal-05520816] An active ensemble classifier for detecting animal sequences from global camera trap data

[hal-05521279] Multi-colored traps can enhance monitoring programs for native and non-native longhorn beetles in forest ecosystems

[hal-03218374] Interesting lessons we can learn using past herbarium collections for studying forest insect pest invasions

[hal-03217254] Tracking the colonization patterns of an expanding forest pest and its natural enemies using molecular markers

[tel-04368466] Structure génétique et modélisation de la distribution des populations de deux espèces invasives de Xylosandrus (Scolytinae - Xyleborini) : deux espèces proches aux histoires d’invasion différentes

[hal-04672656] Building integrated plant health surveillance: a proactive research agenda for anticipating and mitigating disease and pest emergence

[hal-03045949] Grassland-to-crop conversion in agricultural landscapes has lasting impact on the trait diversity of bees

[hal-05168055] Human contributions to global soundscapes are less predictable than the acoustic rhythms of wildlife

[hal-01144571] THE 2014 ALMA LONG BASELINE CAMPAIGN: AN OVERVIEW

[hal-02648399] Open minded and open access: introducing NeoBiota, a new peer-reviewed journal of biological invasions

[hal-04175404] Worldwide diversity of endophytic fungi and insects associated with dormant tree twigs

[hal-04169153] Latitudinal gradient in avian insectivory: complementary effects of climate, habitat and bird diversity

[hal-02627715] Forewarned is forearmed: harmonized approaches for early detection of potentially invasive pests and pathogens in sentinel plantings

[hal-04171563] Climate, host and geography shape insect and fungal communities of trees

[hal-02627472] Consistency of impact assessment protocols for non-native species

[hal-02824656] Inventaire et évaluation des méthodes de lutte contre la processionnaire du pin. Enquête nationale-guide technique

[hal-02668020] Processionnaire du pin, la première enquête

[hal-02808245] PCLIM- Réseau multidisciplinaire Euro-Méditerranéen de recherches sur la réponse adaptative au changement climatique des processionnaires et de leurs organismes associés

[hal-02655052] La processionnaire du pin vue par ses gestionnaires

[hal-02807950] Protéger les hommes et les forêts des insectes ravageurs

[hal-02822656] La chenille processionnaire du pin et le réchauffement climatique. Vers de nouvelles méthodes de lutte contre un insecte forestier urticant qui s'invite en ville

[hal-02662888] Chenille processionnaire du pin: il faut agir

[hal-02823691] Calendrier indicatif des méthodes de lutte contre la processionnaire du pin en Région Ile-de-France

[hal-02654961] C'est la chenille qui redémarre !

[hal-01578870] Méthodes de lutte alternatives à l'épandage aérien de produits phytosanitaires contre les processionnaires du pin et du chêne en conditions urbaines

[hal-03426805] Applying the Convention on Biological Diversity Pathway Classification to alien species in Europe

[anses-05175671] Avis de l'Anses relatif à « la catégorisation de Cordylomera spinicornis »

[anses-04353534] Avis de l'Anses relatif à « la catégorisation de Xylotrechus chinensis »

[hal-04871434] Tracking the North American Asian Longhorned Beetle Invasion With Genomics

[hal-03439144] Detection and Replication of Moku Virus in Honey Bees and Social Wasps

[hal-04312053] Genome‐scale phylogeography resolves the native population structure of the Asian longhorned beetle, Anoplophora glabripennis (Motschulsky)

[anses-04616086] Avis de l'Anses relatif à « l’avenant à la saisine de catégorisation de 8 espèces d’insectes exotiques incluant Xylotrechus chinensis »

[hal-05388136] DAISIE - Inventory of alien invasive species in Europe

[tel-04622319] Approches génomiques pour la biodétection d'insectes invasifs forestiers

[hal-05499984] Guix-HPC Activity Report 2025

[hal-02638263] Crossing frontiers in tackling pathways of biological Invasions

[hal-02629243] Global rise in emerging alien species results from increased accessibility of new source pools

[hal-01607783] No saturation in the accumulation of alien species worldwide

[hal-02624078] Blurring alien introduction pathways risks losing the focus on invasive species policy

[hal-01602700] Troubling travellers: are ecologically harmful alien species associated with particular introduction pathways?

[hal-02653040] Permanent genetic resources added to molecular ecology resources database 1 august 2011-30 september 2011

[tel-03893426] Modélisation de la phénologie d'une espèce emblématique du changement climatique : la processionnaire du pin

[tel-02463831] Indentification des facteurs sous-tendant l'invasion fulgurante d'un insecte asiatique en Europe, la pyrale du buis : approche génétique et biologique

[tel-01951721] Invasion du capricorne asiatique Anoplophora glabripennis : génétique, traits d’histoire de vie et écologie

[hal-05485107] From forest decline to salvage logging: cascading impacts on saproxylic beetle diversity

[mnhn-05431499] À propos de Cilix hispanica : présence en Indre-et-Loire et façon de le reconnaître plus facilement sur le terrain (Lepidoptera Drepanidae Drepaninae)

[hal-05057758] Exploring the taxonomic status of the Palearctic cone weevil, Pissodes validirostris, inferred from morphometric and molecular data

[hal-05151321] Genetic diversity within and among populations of Diprion pini (Hym., Diprionidae) determined by random amplified polymorphic DNA‐polymerase chain reaction of haploid males

[hal-04385991] Persisting roadblocks in arthropod monitoring using non-destructive metabarcoding from collection media of passive traps

Dans cette rubrique

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Les publications 2011