Impact of moisture on survival of Aedes aegypti eggs and ovicidal activity of Metarhizium anisopliae under laboratory conditions
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Data
2008
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Resumo
The effect of relative humidity (43%, 75%, 86% and > 98%) on Aedes aegypti eggs treated with Metarhizium
anisopliae or water only was tested for up to a six months exposure at 25°C. Survival of larvae inside eggs was
clearly affected by the lowest humidity (43%) tested, and eclosion diminished at all humidities after increasing
periods of exposure. M. anisopliae showed to have a strong ovicidal activity only at humidity close to saturation.
No difference of activity was found between conidia and hyphal bodies tested. This fungus affected larvae inside
eggs and has potential as a control agent of this important vector in breeding sites with high moisture.
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Entomopathogenic fungi, Biological control, Mosquito, Egg
Citação
LUZ, C.; TAI, M. H. H. ; SANTOS, A. H.; SILVA, H. H. G. Impact of moisture on survival of Aedes aegypti eggs and ovicidal activity of Metarhizium anisopliae under laboratory conditions. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 103, n. 2, p. 214-215, 2008.