M
Minh-Hà Pham-Delègue
Researcher at Institut national de la recherche agronomique
Publications - 84
Citations - 4481
Minh-Hà Pham-Delègue is an academic researcher from Institut national de la recherche agronomique. The author has contributed to research in topics: Apidae & Honey bee. The author has an hindex of 39, co-authored 84 publications receiving 4229 citations. Previous affiliations of Minh-Hà Pham-Delègue include Centre national de la recherche scientifique & ParisTech.
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Journal ArticleDOI
Effects of imidacloprid and deltamethrin on associative learning in honeybees under semi-field and laboratory conditions
TL;DR: As with free-flying bees, no impact of deltamethrin was found on the learning performances of restrained individuals in the PER procedure, whilst significant effects were found with imidacloprid in both semi-field and laboratory conditions.
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Learning performances of honeybees (Apis mellifera L) are differentially affected by imidacloprid according to the season.
TL;DR: The LOEC of imidacloprid was lower in summer bees than in winter bees, which points to a greater sensitivity of honeybees behaviour in summer Bees, compared to winter bees.
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Imidacloprid impairs memory and brain metabolism in the honeybee (Apis mellifera L.)
Axel Decourtye,Catherine Armengaud,Michel Renou,J. Devillers,Sophie Cluzeau,Monique Gauthier,Minh-Hà Pham-Delègue +6 more
TL;DR: The impairment of medium-term olfactory memory by imidacloprid is discussed in the context of neural circuits suspected to mediate memory formation in the honeybee brain.
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Comparative Sublethal Toxicity of Nine Pesticides on Olfactory Learning Performances of the Honeybee Apis mellifera
A. Decourtye,J. Devillers,E. Genecque,K. Le Menach,Hélène Budzinski,S. Cluzeau,Minh-Hà Pham-Delègue +6 more
TL;DR: The study shows that the conditioned proboscis extension response assay can be used for estimating sublethal effects of pesticides on bees and comparisons of sensitivity as well as the estimation of NOECs, useful for regulatory purposes, are possible.
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High level of resistance to proteinase inhibitors may be conferred by proteolytic cleavage in beetle larvae.
TL;DR: A detailed study of the digestive proteinase of a model cruciferous-feeding Coleoptera, Phaedon cochleariae, showed that this insect relies on a complex proteolytic system including serine, cysteine, aspartyl proteinases, and leucine aminopeptidases.