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Loss of Attractiveness to Bessa harveyi (Tns.) (Diptera: Tachinidae) of Host Larvae During Cold Storage

Published online by Cambridge University Press:  31 May 2012

L. G. Monteith
L. G. Monteith
Affiliation:
Entomology Research Institute for Biological Control, Research Branch, Canada Department of Agriculture, Belleville, Ontario
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Extract

A study of factors that influence host references of the parasitic tachinids Drino bohemica Mesn. and Bessa harveyi (Tns.) (Monteith, 1955, 1958a, 1958b, 1962) included tests with successive generations of the parasites. Large numbers of the sawfly larvae used as hosts were collected each summer and, when they had spun their cocoons, were put into cold storage until required. In some seasons sufficient larvae of a particular species were not available to conduct experiments for a twelve-month period though a supply of larvae of the same species collected in the previous year was in storage. If larvae stored for one year or longer did not change in their attractiveness to the parasites they could be used in tests together with larvae stored for less than one year. This is a report of an investigation to determine if changes occur during cold storage in the attractiveness of sawfly larvae to B. harveyi.

Type
Articles
Information
The Canadian Entomologist , Volume 94 , Issue 8 , August 1962 , pp. 881 - 883
Copyright
Copyright © Entomological Society of Canada 1962

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References

Monteith, L. G. 1955. Host preferences of Drino bohemica Mesn. (Diptera: Tachinidae), with particular reference to olfactory responses. Canadian Ent. 87: 509–530.CrossRefGoogle Scholar
Monteith, L. G. 1958a. Influence of food plant of host on attractiveness of the host to tachinid parasites with notes on preimaginal conditioning. Canadian Ent. 90: 478–482.CrossRefGoogle Scholar
Monteith, L. G. 1958b. Influence of host and its food plant on host-finding by Drino bohemica Mesn. (Diptera: Tachinidae) and interaction of other factors. Proc. Tenth Intern. Congr. of Ent. 2: 603–606.Google Scholar
Monteith, L. G. 1962. Apparent continual changes in the host preferences of Drino bohemica Mesn. (Diptera: Tachinidae) and their relation to the concept of host-conditioning. Animal Behaviour. In press.Google Scholar