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Sampling Anopheles arabiensis, A. gambiae sensu lato and A. funestus (Diptera: Culicidae) with CDC light-traps near a rice irrigation area and a sugarcane belt in western Kenya

Published online by Cambridge University Press:  10 July 2009

A.K. Githeko ,
M.W. Service ,
C.M. Mbogo ,
F.A. Atieli  and
F.O. Juma
A.K. Githeko*
Affiliation:
Kenya Medical Research Institute, Vector Biology and Control Research Centre, Kisumu, Kenya
M.W. Service
Affiliation:
Liverpool School of Tropical Medicine, Liverpool, UK
C.M. Mbogo
Affiliation:
Kenya Medical Research Institute, Kilifi Research Unit, Kilifi, Kenya
F.A. Atieli
Affiliation:
Kenya Medical Research Institute, Vector Biology and Control Research Centre, Kisumu, Kenya
F.O. Juma
Affiliation:
Kenya Medical Research Institute, Vector Biology and Control Research Centre, Kisumu, Kenya
*
Correspondence. A.K. Githeko, Kenya Medical Research Institute, Vector Biology and Control Research Centre, P.O. Box 1578, Kisumu, Kenya.
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Abstract

CDC (Communicable Disease Center) light-traps were compared with human-bait collections as an alternative method for sampling malaria vectors in two villages of western Kenya. The numbers of Anopheles funestus Giles and Anopheles gambiae sensu lato Giles in CDC light-trap collections were significantly correlated to the numbers caught in human-bait collections, but in Anopheles arabiensis Patton the two collections were not significantly correlated. Most of the female vectors collected in the traps were unfed. Parity of A. arabiensis collected in CDC light-traps (44.3%) was significantly lower than the rate obtained from females caught on human-bait (54.5%). Although CDC light-traps provide a cheap and convenient method for collecting vectors, further studies should nevertheless be undertaken to determine the influence of species-specific variation in the sizes and age-structure of collections because such variations can affect the epidemiological interpretation of the data.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 84 , Issue 3 , September 1994 , pp. 319 - 324
Copyright
Copyright © Cambridge University Press 1994

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