@article{fdi:010083239, title = {{D}elayed effects of a single dose of a neurotoxic pesticide (sulfoxaflor) on honeybee foraging activity}, author = {{B}arascou, {L}. and {R}equier, {F}abrice and {S}ene, {D}. and {C}rauser, {D}. and {L}e {C}onte, {Y}. and {A}laux, {C}.}, editor = {}, language = {{ENG}}, abstract = {{P}esticide risk-assessment guidelines for honeybees ({A}pis mellifera) generally require determining the acute toxicity of a chemical over the short-term through fix-duration tests. {H}owever, potential long-lasting or delayed effects resulting from an acute exposure (e.g. a single dose) are often overlooked, although the modification of a developmental process may have life-long consequences. {T}o investigate this question, we exposed young honeybee workers to a single sublethal field-realistic dose of a neurotoxic pesticide, sulfoxaflor, at one of two amounts (16 or 60 ng), at the moment when they initiated orientation flights (preceding foraging activity). {W}e then tracked in the field their flight activity and lifespan with automated life-long monitoring devices. {B}oth amounts of sulfoxaflor administered reduced the total number of flights but did not affect bee survival and flight duration. {W}hen looking at the time series of flight activity, effects were not immediate but delayed until foraging activity with a decrease in the daily number of foraging flights and consequently in their total number (24 and 33% less for the 16 and 60 ng doses, respectively). {T}he results of our study therefore blur the general assumption in honeybee toxicology that acute exposure results in immediate and rapid effects and call for long-term recording and/ or time-to-effect measurements, even upon exposure to a single dose of pesticide.}, keywords = {{E}cotoxicology ; {B}ees ; {A}cute exposure ; {S}ublethal effects ; {P}esticide risk assessment}, booktitle = {}, journal = {{S}cience of the {T}otal {E}nvironment}, volume = {805}, numero = {}, pages = {150351 [6 p.]}, ISSN = {0048-9697}, year = {2022}, DOI = {10.1016/j.scitotenv.2021.150351}, URL = {https://www.documentation.ird.fr/hor/fdi:010083239}, }