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Diel Patterns of Mosquito Activity in a High Arctic Locality: Hazen Camp, Ellesmere Island, N.W.T.1

Published online by Cambridge University Press:  31 May 2012

Philip S. Corbet
Philip S. Corbet
Affiliation:
Entomology Research Institute, Canada Department of Agriculture, Ottawa, Ontario
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Abstract

Diel patterns of emergence, flight, host-seeking and oviposition have been studied in two mosquitoes, Aedes (Ochlerotatus) impiger and A. (O.) nigripes, at Hazen Camp (71° 18′ W., 81° 49′ N.). Diel periodicities were detected in both species for all these activities except flight. Oviposition of A. nigripes shows a well-defined pattern, but otherwise periodicities are evident only as slight and somewhat irregular diel fluctuations. All diel patterns show a maximum near solar noon, and appear to result from a direct (exogenous) response to ambient temperature. The patterns of host-seeking flight, closely similar in both species, are compared with those recorded for Aedes (Ochlerotatus) at lower latitudes. Small morning and afternoon peaks at Hazen Camp are seen as vestiges of sunrise and sunset maxima that characterize this periodicity further south.

Type
Articles
Information
The Canadian Entomologist , Volume 98 , Issue 12 , December 1966 , pp. 1238 - 1252
Copyright
Copyright © Entomological Society of Canada 1966

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