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REARING AND IMMATURE STAGES OF THE CLUSTER FLY (POLLENIA RUDIS) (DIPTERA: CALLIPHORIDAE) IN ONTARIO

Published online by Cambridge University Press:  31 May 2012

W. Yahnke  and
John A. George
W. Yahnke
Affiliation:
Department of Zoology, University of Western Ontario, London
John A. George
Affiliation:
Department of Zoology, University of Western Ontario, London
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Abstract

The preferred host of the cluster fly, Pollenia rudis Fab., in Ontario is reported to be the earthworm Eisenia rosea Sav. Periodic field digging revealed the immature stages of P. rudis feeding, or in close association with, E. rosea. In addition P. rudis was reared in the laboratory on E. rosea but could not be reared on any of the other species of earthworm found in the field.For the first time in North America the complete life history, along with each of the immature stages of P. rudis, is described. The differences between P. rudis from North America and those from France are indicated.Finally, the authors speculate that there are two strains, or species, of P. rudis in France: one is host-specific to the earthworm Allolobophora chlorotica Sav. and the other to E. rosea. Only the strain with E. rosea as its preferred host has as yet been reported from Canada.

Type
Articles
Information
The Canadian Entomologist , Volume 104 , Issue 4 , April 1972 , pp. 567 - 576
Copyright
Copyright © Entomological Society of Canada 1972

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