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Adulticidal effect of
fungal pathogen, Metarhizium anisopliae on malarial
vector Anopheles stephensi (Diptera: Culicidae)
S. Kamala Kannan*, K.
Murugan, A. Naresh Kumar, N. Ramasubramanian and P.
Mathiyazhagan
Division of
Entomology, Department of Zoology, Bharathiar University,
Coimbatore – 641 046. Tamil Nadu, India.
*Corresponding author. E-mail:
raambo_2006@yahoo.com.
Fax: +91 422 2422 387, Tel.: 91 99561 48910.
Accepted
4 May, 2007 |
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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.
Key
words:
Entomopathogenic fungi, Metarhizium anisopliae,
Anopheles stephensi. |
