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THE BIOLOGY OF POLLENIA RUDIS, THE CLUSTER FLY (DIPTERA: CALLIPHORIDAE): II. LARVAL FEEDING BEHAVIOUR AND HOST SPECIFICITY

Published online by Cambridge University Press:  31 May 2012

A. J. Thomson  and
D. M. Davies
A. J. Thomson
Affiliation:
Department of Biology, McMaster University, Hamilton, Ontario
D. M. Davies
Affiliation:
Department of Biology, McMaster University, Hamilton, Ontario
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Abstract

Parasitism by Pollenia rudis (Fabr.) larvae on earthworms in the field was found only in Allolobophora chlorotica (Sav.) and Eisenia rosea (Sav.). Other species of worms were infected in the laboratory. Slime and coelomic fluid, from all species of worms tested, induced penetration behaviour. Penetration occurs mainly on the dorsal surface of the worm, and less frequently towards either end. Larvae repenetrated after leaving the original penetration site. Autonomy by the host of the parasitized segments was observed in E. rosea. Possible reasons for the restricted natural host range are discussed.

Type
Articles
Information
The Canadian Entomologist , Volume 105 , Issue 7 , July 1973 , pp. 985 - 990
Copyright
Copyright © Entomological Society of Canada 1973

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