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SEASONAL OCCURRENCE AND ABUNDANCE IN A COMMUNITY OF WILD BEES FROM AN OLD FIELD HABITAT IN SOUTHERN ONTARIO

Published online by Cambridge University Press:  31 May 2012

P.A. MacKay
Affiliation:
Department of Entomology, University of Manitoba, Winnipeg R3T 2N2
G. Knerer
Affiliation:
Department of Zoology, University of Toronto, Toronto, Ontario M5S 1A1

Abstract

An apoidean community in southern Ontario was intensively sampled over two seasons. One hundred and forty-one species in six families were collected. The species–abundance relationship exhibited a log-normal distribution. Flight activity began before late April and continued past late September. Most species were active for only a brief portion of that period. The most abundant species were known to be primitively social. Thirty-six of the species were parasitic bees. A number of other specialized parasitoids of the orders Diptera, Coleoptera, and Hymenoptera were recorded.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1979

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