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Observations on The bionomics of Anopheles darlingi Root (Diptera: Culicidae) from Brazil

Published online by Cambridge University Press:  10 July 2009

J. D. Charlwood
J. D. Charlwood
Affiliation:
Instituto Nacional de Pesquisas da Amazonia, Caixa Postal 478, Manaus 69 000, Amazonas, Brazil
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Abstract

The physiological age-structure of populations of the malaria vector Anopheles darlingi Root, collected biting man, was determined from collections made from March to June 1979 at the end of the rainy season in the village of Aripuanã, Mato Grosso, Brazil. The number of mosquitoes biting increased during the transition between the wet and dry seasons, but adult survival remained low at all times. Only seven of 1596 females dissected had laid eggs four or more times, and thus the proportion of females that could be potentially infective with malaria sporozoites was 0.4%. The mosquitoes rested in the vicinity of the host for periods of up to 10 min before biting. The results are compared to those obtained during a study on A. darlingi on the Manaus-Boa Vista Highway, 1000 km to the north. In this area, peak numbers were collected at the beginning of the rainy season and adult survival was longer than at Aripuanã.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 70 , Issue 4 , December 1980 , pp. 685 - 692
Copyright
Copyright © Cambridge University Press 1980

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