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Open AccessArticle

Temperature and Sugar Feeding Effects on the Activity of a Laboratory Strain of Aedes aegypti

Department of Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
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Author to whom correspondence should be addressed.
These authors equally contributed to this work.
Insects 2019, 10(10), 347; https://doi.org/10.3390/insects10100347
Received: 31 August 2019 / Revised: 7 October 2019 / Accepted: 11 October 2019 / Published: 16 October 2019
(This article belongs to the Special Issue Vectors and Vector-borne Diseases)
Aedes aegypti is an invasive mosquito species that is expected to expand its global distribution through climate change. As poikilotherms, mosquitoes are greatly affected by the temperature of the environment which can impact host-seeking, blood-feeding, and flight activity as well as survival and ability to transmit pathogens. However, an important aspect of mosquito biology on which the effect of temperature has not been investigated is water and sugar-feeding and how access to a sugar source might affect the insect’s activity and survival under different thermal conditions. To close this knowledge gap, we relied on actometer experiments to study the activity of both female and male Ae. aegypti at 20 °C, 25 °C, and 30 °C, providing either water or 10% sucrose to the insects. We then measured the total carbohydrate contents of alive mosquitoes using the anthrone protocol. Survival was assessed and compared between all groups. Results from this study will inform on the thermal biology of Ae. aegypti mosquitoes and how access to sugar affects their activity. View Full-Text
Keywords: actometer; abiotic factors; total carbohydrates; disease vector insects; invasive species; mosquito actometer; abiotic factors; total carbohydrates; disease vector insects; invasive species; mosquito
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Upshur, I.F.; Bose, E.A.; Hart, C.; Lahondère, C. Temperature and Sugar Feeding Effects on the Activity of a Laboratory Strain of Aedes aegypti. Insects 2019, 10, 347.

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