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    Pupal habitat productivity of Anopheles gambiae complex mosquitoes in a rural village in western Kenya.

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    Date
    2006-01
    Author
    Mutuku, Francis M
    Bayoh, M.Nabie
    Gimnig, John E
    Vulule, John M
    Kamau, Luna
    Walker, Edward D
    Kabiru, Ephantus
    Hawley, William A
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    Abstract
    The productivity of larval habitats of the malaria vector Anopheles gambiae for pupae (the stage preceding adult metamorphosis) is poorly known, yet adult emergence from habitats is the primary determinant of vector density. To assess it, we used absolute sampling methods in four studies involving daily sampling for 25 days in 6 habitat types in a village in western Kenya. Anopheles gambiae s.s. comprised 82.5% of emergent adults and Anopheles arabiensis the remainder. Pupal production occurred from a subset of habitats, primarily soil burrow pits, and was discontinuous in time, even when larvae occupied all habitats continuously. Habitat stability was positively associated with pupal productivity. In a dry season, pupal productivity was distributed between burrow pits and pools in streambeds. Overall, these data support the notion that source reduction measures against recognizably productive habitats would be a useful component of an integrated management program for An. gambiae in villages.
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    http://hdl.handle.net/123456789/7973
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