African Journal of Biotechnology

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Adulticidal effect of fungal pathogen, Metarhizium anisopliae on malarial vector Anopheles stephensi (Diptera: Culicidae)

SK Kannan, K Murugan, AN Kumar, N Ramasubramanian, P Mathiyazhagan


The entomopathogenic fungus, Metarhizium anisopliae is being considered as a biocontrol agent for the adult mosquito of Anopheles stephensi (Malarial vector). In the present experiment was carried out in the laboratory of 30-50 male and female adult mosquitoes were exposed to M. anisopliae (exposed to 1 x 106 conidia/ml of oil or water suspension). In our results, there was 96% and 94% adult mortality was observed in oil and water formulated conidia of M. anisopliae. Similarly, adult emergency rate was also decreased with increasing concentration (1x108 conidia/ml). Finally, we conclude that the fungal spores or cells developed within insect cuticle which is suppress the cellular defence system and also fungal
grow on the legs and wings to arrest the mosquito movement.

AJOL African Journals Online