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INFLUENCE OF POSITION AND SIZE OF HOST SHELTER ON HOST-SEARCHING BY ITOPLECTIS CONQUISITOR (HYMENOPTERA: ICHNEUMONIDAE)

Published online by Cambridge University Press:  31 May 2012

A. P. Arthur
A. P. Arthur
Affiliation:
Research Institute, Canada Department of Agriculture, Belleville, Ontario
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Abstract

Females of I. conquisitor could not be conditioned to attack horizontal tubes instead of vertical tubes of the same size and probably cannot distinguish between them. I. conquisitor could be conditioned to attack tubes of particular lengths or diameters and tubes mounted on pins rather than on plastic forms. These results are interpreted as showing that the parasites can recognize these differences in the host shelter and that these characteristics could influence host selection. It is suggested that if a polyphagous parasite to be introduced against a particular pest is first conditioned to that host in pieces of its host plant, the success of the parasite in finding that host and hence its chances of establishment would be increased.

Type
Articles
Information
The Canadian Entomologist , Volume 99 , Issue 8 , August 1967 , pp. 877 - 886
Copyright
Copyright © Entomological Society of Canada 1967

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References

Arthur, A. P. 1962. Influence of host trees on abundance of Itoplectis conquisitor (Say) (Hymenoptera: Ichneumonidae), a polyphagous parasite of the European pine shoot moth, Rhyacionia buoliana (Schiff.) (Lepidoptera: Olethreutidae). Can. Ent. 94: 337–347.CrossRefGoogle Scholar
Arthur, A. P. 1963. Life histories and immature stages of four ichneumonid parasites of the European pine shoot moth Rhyacionia buoliana (Schiff.) in Ontario. Can. Ent. 95: 1078–1091.CrossRefGoogle Scholar
Arthur, A. P. 1966. Associative learning in Itoplectis conquisitor (Say) (Hymenoptera: Ichneumonidae). Can. Ent. 98: 213–223.CrossRefGoogle Scholar
Townes, H., and Townes, M.. 1960. Ichneumon-flies of America North of Mexico: 2. Subfamilies Ephialtinae, Xoridinae, Acaenitinae. U.S.N.M. Bull. 216 Part 2 pp. VIII + 676.Google Scholar