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LIFE HISTORY AND POPULATION CHARACTERISTICS OF THE EUROPEAN EARWIG, FORFICULA AURICULARIA (DERMAPTERA: FORFICULIDAE), AT VANCOUVER, BRITISH COLUMBIA1

Published online by Cambridge University Press:  31 May 2012

Robert J. Lamb  and
W. G. Wellington
Robert J. Lamb
Affiliation:
Department of Plant Science and Institute of Animal Resource Ecology, University of British Columbia, Vancouver
W. G. Wellington
Affiliation:
Department of Plant Science and Institute of Animal Resource Ecology, University of British Columbia, Vancouver
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Abstract

The life history of the European earwig at Vancouver, B.C., is described and divided into two periods: the nesting phase and the free-foraging phase. Seasonal changes in population characteristics are documented and compared in sparsely and densely vegetated habitats. The developmental rates, population sizes, and sex ratios, but not the body weights, differ between the two habitats. Suggested reasons for these differences are advanced.

Type
Articles
Information
The Canadian Entomologist , Volume 107 , Issue 8 , August 1975 , pp. 819 - 824
Copyright
Copyright © Entomological Society of Canada 1975

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