@article{fdi:010079312, title = {{B}oosting the sterile insect technique with pyriproxyfen increases tsetse flies {G}lossina palpalis gambiensis sterilization in controlled conditions}, author = {{L}aroche, {L}. and {R}avel, {S}ophie and {B}aldet, {T}. and {L}ancelot, {R}. and {C}handre, {F}abrice and {R}ossigne, {M}. and {L}e {G}off, {V}. and {D}uhayon, {M}. and {F}afet, {J}. {F}. and {P}arker, {A}. {G}. and {B}ouyer, {J}.}, editor = {}, language = {{ENG}}, abstract = {{T}setse flies ({D}iptera: {G}lossinidae) are the main vectors of animal and human trypanosomoses in {A}frica. {T}he {S}terile {I}nsect {T}echnique ({SIT}) has proven effective in controlling tsetse flies when applied to isolated populations but necessitates the production of large numbers of sterile males. {A} new approach, called boosted {SIT}, combining {SIT} with the contamination of wild females by sterile males coated with biocides has been proposed for large-scale control of vector populations. {T}he aim of the study was to evaluate this new approach using pyriproxyfen on the riverine species {G}lossina palpalis gambiensis ({V}anderplank, 1949) in the laboratory. {T}he contamination dose and persistence of pyriproxyfen on sterile males, the impact of pyriproxyfen on male survival, and the dynamics of pyriproxyfen transfer from a sterile male to a female during mating, as well as the impact of pyriproxyfen on pupal production and adult emergence, were evaluated in the laboratory. {F}or this purpose, a method of treatment by impregnating sterile males with a powder containing 40% pyriproxyfen has been developed. {T}he results showed that the pyriproxyfen has no impact on the survival of sterile males. {P}yriproxyfen persisted on sterile males for up to 10 days at a dose of 100ng per fly. {I}n addition, the horizontal transfer of pyriproxyfen from a treated sterile male to a female during mating could be measured with an average of 50ng of pyriproxyfen transferred. {A}fter contacts without mating, the average quantity transferred was more than 10ng. {F}inally, the pyriproxyfen powder was very effective on {G}. p. gambiensis leading to 0% emergence of the pupae produced by contaminated females. {T}hese promising results must be confirmed in the field. {A} large-scale assessment of this boosted pyriproxyfen-based {SIT} approach will be carried out against tsetse flies in {S}enegal ({W}est {A}frica).}, keywords = {{AFRIQUE} {SUBSAHARIENNE}}, booktitle = {}, journal = {{S}cientific {R}eports - {N}ature}, volume = {10}, numero = {1}, pages = {art. 9947 [12 ]}, ISSN = {2045-2322}, year = {2020}, DOI = {10.1038/s41598-020-66850-9}, URL = {https://www.documentation.ird.fr/hor/fdi:010079312}, }