First report of Metarhizium anisopliae IP 46 pathogenicity in adult Anopheles gambiae s.s. and An. arabiensis (Diptera; Culicidae)
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2009-12
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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 3.3 × 10 6 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.
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MNYONE, Ladslaus L.; RUSSELL, Tanya L.; LYIMO, Issa N.; LWETOIJERA, Dickson W.; KIRBY, Matthew J.; Luz, CHRISTIAN. First report of Metarhizium anisopliae IP 46 pathogenicity in adult Anopheles gambiae s.s. and An. arabiensis (Diptera; Culicidae). Parasites & Vectors, London, v. 2, n. 1, p. 1-4, Dec. 2009.