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Opposite influences of host anaemia on blood feeding rate and fecundity of mosquitoes

Published online by Cambridge University Press:  06 April 2009

J.-N. Shieh  and
P. A. Rossignol
J.-N. Shieh
Affiliation:
Department of Entomology, Cordley Hall, Oregon State University, Corvallis, OR 97331-2907, USA
P. A. Rossignol
Affiliation:
Department of Entomology, Cordley Hall, Oregon State University, Corvallis, OR 97331-2907, USA
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Summary

We tested a theoretical model based on the physics of capillary flow and confirmed that anaemia accelerates blood intake in the yellow-fever mosquito, Aedes aegypti (L.). We also investigated the influence of anaemic blood on egg production of mosquitoes and found that it has a negative influence on fecundity. Based strictly on egg production and the physics of fluid intake, we propose that although anaemia associated with blood-borne parasites may be detrimental to mosquitoes that can engorge to repletion in one session, it may be beneficial to those interrupted before repletion because the greater quantity of the bloodmeal may compensate for its lower quality. Epidemiological consequences are discussed but require further inquiry.

Keywords

anaemiamosquitoparasite
Type
Research Article
Information
Parasitology , Volume 105 , Issue 2 , October 1992 , pp. 159 - 163
Copyright
Copyright © Cambridge University Press 1992

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References

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