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Effects of Temperature and Moisture on Survival of Parasites in Stored Winter Moth, Operophtera brumata (L.) (Lepidoptera: Geometridae)

Published online by Cambridge University Press:  31 May 2012

G. E. Maybee  and
H. G. Wylie
G. E. Maybee
Affiliation:
Entomology Research Institute for Biological Control, Research Branch, Canada Department of Agriculture, Belleville, Ontario
H. G. Wylie
Affiliation:
Entomology Research Institute for Biological Control, Research Branch, Canada Department of Agriculture, Belleville, Ontario
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Extract

Cocoons of winter moth, Operophtera brumata (L.), reared from larvae collected in Europe, were imported to obtain insect parasites for release in Canada. Normally the sequence of handling the host cocoons consisted of: summer storage (July to October); autumn storage (October to December) during which host emergence occurred; winter storage (January to May); and, finally, a period of incubation (May to June) to obtain in time for release against the larval stage of the host.

Type
Articles
Information
The Canadian Entomologist , Volume 93 , Issue 10 , October 1961 , pp. 851 - 855
Copyright
Copyright © Entomological Society of Canada 1961

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