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THE BIOLOGY OF POLLENIA RUDIS, THE CLUSTER FLY (DIPTERA: CALLIPHORIDAE): III. THE EFFECT OF SOIL CONDITIONS ON THE HOST–PARASITE RELATIONSHIP

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

The course of the host–parasite relationship between Pollenia rudis (Fabr.) and Eisenia rosea (Sav.) is determined largely by the behaviour of the earthworm host, which in turn depends on soil conditions. Encystment of the host, which occurs mainly at low levels of soil moisture and bulk density, increases the success rate of the infection. Autotomy of infected segments by the host occurs in a higher percentage of active than encysted worms.

Type
Articles
Information
The Canadian Entomologist , Volume 106 , Issue 1 , January 1974 , pp. 107 - 110
Copyright
Copyright © Entomological Society of Canada 1974

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References

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Thomson, A. J. 1972 (unpub.). The ecology of Pollenia rudis (Diptera: Calliphoridae) and its host earthworms (Lumbricidae), with special reference to the host-parasite relationship between P. rudis and Eisenia rosea. Ph.D. Thesis, McMaster Univ., Hamilton.Google Scholar
Thomson, A. J. and Davies, D. M.. 1973 a. The biology of Pollenia rudis, the cluster fly (Diptera: Calliphoridae). I. Host location by first-instar larvae. Can. Ent. 105: 335–341.CrossRefGoogle Scholar
Thomson, A. J. and Davies, D. M.. 1973 b. The biology of Pollenia rudis, the cluster fly (Diptera: Calliphoridae). II. Larval feeding behaviour and host specificity. Can. Ent. 105: 985–990.CrossRefGoogle Scholar