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TEMPERATURE-INDUCED INTERSEXES IN AEDES MOSQUITOES: COMPARATIVE STUDY OF SPECIES FROM MANITOBA

Published online by Cambridge University Press:  31 May 2012

R. A. Brust
R. A. Brust
Affiliation:
Department of Entomology, University of Manitoba, Winnipeg
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Abstract

The larvae of 26 species of Aedes from Manitoba were reared at constant temperatures from a low of 10° or 15°C, to the upper lethal temperature. Various grades of adult intersexes occurred in 12 univoltine species. The lowest threshold temperature for intersex development was found in A. communis (19°C); the highest in A. fitchii (29°C). A constant rearing temperature of 30°C was lethal for all fully univoltine species from Manitoba. The zoogeographical significance of the distribution of species in North America is discussed with regard to their intersex threshold temperature.

Type
Articles
Information
The Canadian Entomologist , Volume 100 , Issue 8 , August 1968 , pp. 879 - 891
Copyright
Copyright © Entomological Society of Canada 1968

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