Growth and development of Aedes aegypti larvae at limiting food concentrations

Autor(es): Levi, Tal; Ben-Dov, Eitan; Shahi, Preeti; Borovsky, Dov; Zaritsky, Arieh


Resumo: Mosquitoes have a complex life-cycle with dramatic changes in shape, function, and habitat. Aedes aegypti was studied by growing individual larvae at different concentrations of a defined rich food source. At higher food concentrations, rate of larval growth was faster, but the time required for 4th instar larvae to molt into the pupal stage was unexpectedly extended. These opposite tendencies resulted in constant times from hatching to pupation and up to adult eclosion at permissive food concentrations. The results demonstrate that nutritional conditions of 4th instar larvae impact initiation of the first metamorphic molt. (C) 2014 Elsevier B.V. All rights reserved.


Palavras-Chave: Mosquito development; Food limitation; Timing of pupation; Aedes aegypti; Mortality


Imprenta: Acta Tropica, v. 133, p. 42-44, 2014


Identificador do objeto digital: 10.1016/j.actatropica.2014.02.001


Descritores: Aedes aegypti - Public health


Data de publicação: 2014