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The effect of a residual house-spraying campaign in East Africa on species balance in the Anopheles funestus group. The replacement of A. funestus Giles by A. rivulorum Leeson.

Published online by Cambridge University Press:  10 July 2009

M. T. Gillies  and
A. Smith
M. T. Gillies
Affiliation:
East African Institute of Malaria and Vector-borne Diseases, Amani, Tanganyika.
A. Smith
Affiliation:
East African Institute of Malaria and Vector-borne Diseases, Amani, Tanganyika.
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Extract

In the course of an experiment in malaria control in an inland region of Kenya and Tanganyika, by the use of house spraying with dieldrin, routine catches were maintained of mosquitos resting in artificial outdoor shelters. During the 18 months of the pre-spraying period, catches in the South Pare district of Tanganyika mainly consisted of the principal vectors, Anopheles gambiae Giles and A. funestus Giles, together with small numbers of A. rivulorum Leeson.

During the three years following the spraying, A. funestus disappeared almost completely from the catches, while A. rivulorum showed an increase of about seven times above its former level.

Type
Research Paper
Information
Bulletin of Entomological Research , Volume 51 , Issue 2 , July 1960 , pp. 243 - 252
Copyright
Copyright © Cambridge University Press 1960

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References

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