The relationship between size and longevity of the malaria vector Anopheles gambiae (s.s.) depends on the larval environment

Parasites & Vectors
Antoine M G BarreauxJacob C Koella

Abstract

Understanding the variation in vector-borne disease transmission intensity across time and space relies on a thorough understanding of the impact of environmental factors on vectorial capacity traits of mosquito populations. This is driven primarily by variation in larval development and growth, with carryover effects influencing adult traits such as longevity and adult body size. The relationship between body size and longevity strongly affects the evolution of life histories and the epidemiology of vector-borne diseases. This relationship ranges from positive to negative but the reasons for this variability are not clear. Both traits depend on a number of environmental factors, but primarily on temperature as well as availability of nutritional resources. We therefore asked how the larval environment of the mosquito Anopheles gambiae Giles (sensu stricto) (Diptera: Culicidae) affects the relationship between body size and longevity. We reared the larvae of An. gambiae individually at three temperatures (21, 25 and 29 °C) and two food levels (the standard and 50% of our laboratory diet) and measured adult size and longevity. We estimated the direct and indirect (via adult size) effects of food and temperature on longevity with...Continue Reading

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Citations

Jul 21, 2020·The Journal of Animal Ecology·Giacomo Zilio, Jacob C Koella
Aug 14, 2020·Parasites & Vectors·Benjamin J KrajacichTovi Lehmann
Oct 5, 2019·Journal of Medical Entomology·Grace KatzShannon L LaDeau
Nov 19, 2020·Journal of Vector Ecology : Journal of the Society for Vector Ecology·Desmond H FoleyLeopoldo M Rueda
Mar 20, 2020·Trends in Parasitology·Karthikeyan ChandrasegaranClément Vinauger
Apr 29, 2021·Proceedings. Biological Sciences·Paul J HuxleyLauren J Cator
May 20, 2021·Microbiome·Cintia Cansado-UtrillaGrant L Hughes
Jul 25, 2021·International Journal of Environmental Research and Public Health·Thomas P AgyekumJulius N Fobil

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