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Thermal Stress and Anomalous Development of Mosquitoes (Diptera: Culicidae) III. Aedes sierrensis1,2

Published online by Cambridge University Press:  31 May 2012

William R. Horsfall ,
John F. Anderson  and
Reinhart A. Brust
William R. Horsfall
Affiliation:
Department of Entomology, University of Illinois, Urbana
John F. Anderson
Affiliation:
Department of Entomology, University of Illinois, Urbana
Reinhart A. Brust
Affiliation:
Department of Entomology, University of Illinois, Urbana
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Abstract

Aedes sierrensis (Ludlow), the western tree-hole mosquito, is the first species of the pulchritarsis-varipalpus group of the subgenus Ochlerotatus which has been shown to have the masculine genotype modified by thermal pressure applied to developing larvae. A rearing temperature of 30.0 °C. during instars 1-3 and the first half of 4, and 31.0° during the last half of instar 4 will modify the degree of masculinity of the palpi, antennae, oral stylets and testes. Modified males are impotent because the genital section fails to rotate to the copulatory position.

Type
Articles
Information
The Canadian Entomologist , Volume 96 , Issue 10 , October 1964 , pp. 1369 - 1372
Copyright
Copyright © Entomological Society of Canada 1964

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References

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