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Observations on the Mosquito, Aëdes (Stegomyia) aegypti (L.), in East Africa. I.—The Biting Cycle in an Outdoor Population at Entebbe, Uganda

Published online by Cambridge University Press:  10 July 2009

G. A. H. McClelland
G. A. H. McClelland
Affiliation:
East African Virus Research Institute, Entebbe, Uganda.
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Extract

In an outdoor population of Aëdes (Stegomyia) aegypti (L.), mainly consisting of subsp. formosus (Wlk.), in Uganda, a series of ten 24-hour catches has shown a sharply-defined biting cycle which corresponds closely to an observed diurnal cycle of flight activity. A main peak of activity occurs one or two hours before sunset, and a lesser peak two or three hours after sunrise.

Comparison with recent work in Kenya suggests that, in comparing the behaviour of populations out of doors with those indoors, a distinction must be made between ssp. formosus and the other two forms of A. aegypti, in which no similar cycle has yet been demonstrated.

Ssp. formosus, which is presumed to be the wildest form of A. aegypti, is shown to have a cyclical behaviour very similar to a related forest species. A. africanus (Theo.).

Type
Research Paper
Information
Bulletin of Entomological Research , Volume 50 , Issue 2 , August 1959 , pp. 227 - 235
Copyright
Copyright © Cambridge University Press 1959

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