First report of Metarhizium anisopliae IP 46 pathogenicity in adult Anopheles gambiae s.s. and An. arabiensis (Diptera; Culicidae)

Mnyone, Ladslaus L., Russell, Tanya L., Lyimo, Issa N., Lwetoijera, Dickson W., Kirby, Matthew J., and Luz, Christian (2009) First report of Metarhizium anisopliae IP 46 pathogenicity in adult Anopheles gambiae s.s. and An. arabiensis (Diptera; Culicidae). Parasites & Vectors, 2. 59.

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Abstract

The entomopathogenic fungus Metarhizium anisopliae isolate IP 46, originating from a soil sample collected in 2001 in the Cerrado of Central Brazil, was tested for its ability to reduce the survival of adult male and female Anopheles gambiae s.s. and An. arabiensis mosquitoes. A 6-h exposure to the fungus coated on test paper at a concentration of 3.3x106 conidia cm-2 reduced the daily survival of both mosquito species (HR = 3.14, p <0.001), with higher risk of dying in An. gambiae s.s relative to An. arabiensis (HR = 1.38, p <0.001). Fungal sporulation was observed in >95% of mosquito cadavers in the treatment groups. The results indicate that M. anisopliae IP 46 has the potential to be a bio-control agent for African malaria vector species, and is a suitable candidate for further research and development.

Item ID: 34897
Item Type: Article (Research - C1)
ISSN: 1756-3305
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© 2009 Mnyone et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Date Deposited: 18 Sep 2014 04:14
FoR Codes: 10 TECHNOLOGY > 1002 Environmental Biotechnology > 100202 Biological Control @ 100%
SEO Codes: 96 ENVIRONMENT > 9604 Control of Pests, Diseases and Exotic Species > 960405 Control of Pests, Diseases and Exotic Species at Regional or Larger Scales @ 100%
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