Embryonic development of Aedes aegypti (Diptera: Culicidae): influence of different constant temperatures

Despite its vector importance little attention is given to Aedes aegypti embryonic development. In this study, temperature influence on time course of Ae. aegypti larvae hatching and egg viability were evaluated. The dormancy state at the end of embryogenesis could be interrupted with a proper stimu...

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Published inMemórias do Instituto Oswaldo Cruz Vol. 104; no. 1; pp. 124 - 126
Main Authors Farnesi, Luana Cristina, Martins, Ademir Jesus, Valle, Denise, Rezende, Gustavo Lazzaro
Format Journal Article
LanguageEnglish
Published Brazil Fundação Oswaldo Cruz, Fiocruz 01.02.2009
Instituto Oswaldo Cruz, Ministério da Saúde
Fundação Oswaldo Cruz (FIOCRUZ)
Subjects
Aedes - embryology
Aedes aegypti
Animals
Culicidae
Diptera
embryogenesis
PARASITOLOGY
Temperature
temperature influence
TROPICAL MEDICINE
Aedes aegypti
temperature influence
embryogenesis
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Summary:Despite its vector importance little attention is given to Aedes aegypti embryonic development. In this study, temperature influence on time course of Ae. aegypti larvae hatching and egg viability were evaluated. The dormancy state at the end of embryogenesis could be interrupted with a proper stimulus. Temperatures tested ranged between 12-36°C; the maximum temperature limit is 35°C and the minimum one is below 12°C. Egg viability between 16-31°C was above 80%. The definition of physiological embryonic parameters at this temperature range corroborates Ae. aegypti presence on tropical and subtropical world regions.
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ISSN:1678-8060
0074-0276
1678-8060
0074-0276
DOI:10.1590/S0074-02762009000100020