@article{fdi:010082796, title = {{E}ffects of insemination and blood-feeding on locomotor activity of wild-derived females of the malaria mosquito {A}nopheles coluzzii}, author = {{T}raor{\'e}, {A}madou {S}{\'e}kou and {P}orciani, {A}ng{\'e}lique and {M}oiroux, {N}icolas and {D}abire, {R}. {K}. and {S}imard, {F}r{\'e}d{\'e}ric and {C}ostantini, {C}arlo and {M}ouline, {K}arine}, editor = {}, language = {{ENG}}, abstract = {{B}ackground: {B}ehavioural shifts in the canonical location and timing of biting have been reported in natural populations of anopheline malaria vectors following the implementation of insecticide-based indoor vector control interventions. {T}hese modifications increase the likelihood of human-vector contact and allow mosquitoes to avoid insecticides, both conditions being favourable to residual transmission of the malarial parasites. {T}he biting behaviour of mosquitoes follows rhythms that are under the control of biological clocks and environmental conditions, modulated by physiological states. {I}n this work we explore modifications of spontaneous locomotor activity expressed by mosquitoes in different physiological states to highlight phenotypic variability associated to circadian control that may contribute to explain residual transmission in the field. {M}ethods: {T}he {F}-10 generation progeny of field-collected {A}nopheles coluzzii from southwestern {B}urkina {F}aso was tested using an automated recording apparatus ({L}ocomotor {A}ctivity {M}onitor, {T}ri{K}inetics {I}nc.) under {LD} 12:12 or {DD} light regimens in laboratory-controlled conditions. {A}ctivity recordings of each test were carried out for a week with 6-day-old females belonging to four experimental treatments, representing factorial combinations of two physiological variables: insemination status (virgin vs inseminated) and gonotrophic status (glucose fed vs blood fed). {C}hronobiological features of rhythmicity in locomotor activity were explored using periodograms, diversity indices, and generalized linear mixed modelling. {R}esults: {T}he average strength of activity, onset of activity, and acrophase were modulated by both nutritional and insemination status as well as by the light regimen. {I}nseminated females showed a significant excess of arrhythmic activity under {DD}. {W}hen rhythmicity was observed in {DD}, females displayed sustained activity also during the subjective day. {C}onclusions: {I}nsemination and gonotrophic status influence the underlying light and circadian control of chronobiological features of locomotor activity. {O}verrepresentation of arrhythmic chronotypes as well as the sustained activity of inseminated females during the subjective day under {DD} conditions suggests potential activity of natural populations of {A}. coluzzii during daytime under dim conditions, with implications for residual transmission of malarial parasites.}, keywords = {{A}nopheles coluzzii ; {F}ield ; {L}ocomotor activity ; {D}aily rhythms ; {I}nsemination ; {B}lood and glucose intakes ; {D}iversity ; {C}hronotypes ; {B}urkina {F}aso ; {R}esidual malaria transmission ; {BURKINA} {FASO}}, booktitle = {}, journal = {{P}arasites and {V}ectors}, volume = {14}, numero = {1}, pages = {457 [16 ]}, ISSN = {1756-3305}, year = {2021}, DOI = {10.1186/s13071-021-04967-0}, URL = {https://www.documentation.ird.fr/hor/fdi:010082796}, }