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Some observations on Aedes (Aedimorphus) dentatus (Theo.) (Dipt., Culicidae) in Kenya

Published online by Cambridge University Press:  10 July 2009

D. Metselaar ,
E. C. C. van Someren ,
J. H. Ouma ,
H. K. Koskei  and
W. Gemert
D. Metselaar
Affiliation:
Medical Research Centre (Department of the Royal Tropical Institute of Amsterdam), P.O. Box 49370, Nairobi, Kenya.
E. C. C. van Someren
Affiliation:
Division of Vector Borne Diseases, National Public Health Laboratory Services, Nairobi, Kenya.
J. H. Ouma
Affiliation:
Department of Zoology, University of Nairobi, Kenya.
H. K. Koskei
Affiliation:
Department of Zoology, University of Nairobi, Kenya.
W. Gemert
Affiliation:
Medical Research Centre
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Extract

Investigations were carried out on the ecology of Aedes (Aedimorphus) dentatus (Theo.) in the Ngong Forest near Nairobi between 22 June and 10 September 1971. Five 24-h collections on human bait showed that Ae. dentatus is predominantly a daytime biter with a peak of activity around sunset. At the time of its greatest activity none came to bite on the 7- or 10-m platforms. Of 94 blood-meal specimens, 50 were of Bovid origin (cattle), 18 from unidentified Bovids, 13 from unidentified mammals, one from a bird, three from any primate and nine did not react with the antisera used. Resting adults were frequently found underneath leaves of Hypoestes verticillaris, a herb which grows in partly shaded areas in the forest near the forest edge. A few adults came to bite in a house outside the forest not far from the forest edge. Breeding places were not found. The evidence for Ae. dentatus being a vector of yellow fever is inconclusive. The 33 other species of mosquitoes collected are listed.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 62 , Issue 4 , July 1973 , pp. 597 - 603
Copyright
Copyright © Cambridge University Press 1973

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