Titre :

A new exposure protocol adapted for wild bees reveals species-specific impacts of the sulfoximine insecticide sulfoxaflor

Auteur(s) :

Dewaele, Justine [Auteur]
Évolution, Écologie et Paléontologie (Evo-Eco-Paleo) - UMR 8198 [Evo-Eco-Paléo (EEP)]
Laboratoire de Zoologie [Mons]
Barraud, Alexandre [Auteur]
Laboratoire de Zoologie [Mons]
Hellström, Sara [Auteur]
Martin-Luther-Universität Halle Wittenberg [MLU]
Paxton, Robert [Auteur]
Martin-Luther-Universität Halle Wittenberg [MLU]
Michez, Denis [Auteur]
Laboratoire de Zoologie [Mons]

Titre de la revue :

Ecotoxicology

Pagination :

546 - 559

Éditeur :

Springer Verlag

Date de publication :

2024-04-22

ISSN :

0963-9292

Discipline(s) HAL :

Sciences de l'environnement/Biodiversité et Ecologie

Résumé en anglais : [en]

<div><p>Wild bees are crucial pollinators of flowering plants and concerns are rising about their decline associated with pesticide use. Interspecific variation in wild bee response to pesticide exposure is expected to be ...
Lire la suite ><div><p>Wild bees are crucial pollinators of flowering plants and concerns are rising about their decline associated with pesticide use. Interspecific variation in wild bee response to pesticide exposure is expected to be related to variation in their morphology, physiology, and ecology, though there are still important knowledge gaps in its understanding. Pesticide risk assessments have largely focussed on the Western honey bee sensitivity considering it protective enough for wild bees. Recently, guidelines for Bombus terrestris and Osmia bicornis testing have been developed but are not yet implemented at a global scale in pesticide risk assessments. Here, we developed and tested a new simplified method of pesticide exposure on wild bee species collected from the field in Belgium. Enough specimens of nine species survived in a laboratory setting and were exposed to oral and topical acute doses of a sulfoximine insecticide. Our results confirm significant variability among wild bee species. We show that Osmia cornuta is more sensitive to sulfoxaflor than B. terrestris, whereas Bombus hypnorum is less sensitive. We propose hypotheses on the mechanisms explaining interspecific variations in sensitivity to pesticides. Future pesticide risk assessments of wild bees will require further refinement of protocols for their controlled housing and exposure.</p></div>Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Collections :

• Évolution, Écologie et Paléontologie (Evo Eco Paleo) - UMR 8198

Source :

Harvested from HAL

Date de dépôt :

2025-02-26T04:47:10Z