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Behavioural variation of Anopheles arabiensis (Diptera: Culicidae) populations in Natal, South Africa

Published online by Cambridge University Press:  10 July 2009

Brian L. Sharp  and
David le Sueur
Brian L. Sharp*
Affiliation:
Research Institute for Diseases in a Tropical Environment, South African Medical Research Council, Congella, South Africa
David le Sueur
Affiliation:
Research Institute for Diseases in a Tropical Environment, South African Medical Research Council, Congella, South Africa
*
Brian L. Sharp, Research Institute for Diseases in a Tropical Environment, South African Medical Research Council, P.O. Box 17120, Congella, 4013, South Africa.
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Abstract

Anopheles arabiensis Patton populations occur in those areas of Natal in which intra-domiciliary DDT is used for mosquito vector control and in the unsprayed areas. Indoor resting collections from the unsprayed area showed a human blood index >90%, in contrast to the indoor collections from the sprayed area where only 31% had fed on man. In exit trap collections from the sprayed area, 66% had fed on man. These trends of a high human blood index in the exit trap collections and a low human blood index in the indoor resting catches were unaffected, despite the close proximity of a cattle kraal to the majority of homesteads.

Type
Research Paper
Information
Bulletin of Entomological Research , Volume 81 , Issue 1 , March 1991 , pp. 107 - 110
Copyright
Copyright © Cambridge University Press 1991

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