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Notes on Parasites of Diprionidae in Europe and Japan and Their Establishment in Canada on Diprion hercyniae (Htg.) (Hymenoptera: Diprionidae)1

Published online by Cambridge University Press:  31 May 2012

L. R. Finlayson  and
Thelma Finlayson
L. R. Finlayson
Affiliation:
Entomology Laboratory, Belleville, Ontario
Thelma Finlayson
Affiliation:
Entomology Laboratory, Belleville, Ontario
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Extract

Approximately 32 million cocoons of 11 species of spruce- and pine-feeding sawflies were collected in Europe and Japan from 1933 to 1940 and sent to the Belleville laboratory for rearing parasites for release in Canada against the European spruce sawfly, Diprion hercyniae (Htg.). Over half a million of the cocoons were Diprion polytomum (Htg.) and the parasites that emerged from these were discussed in previous papers (Finlayson and Reeks, 1936; Finlayson and Finlayson, in preparation). In addition to cocoons, almost half a million eggs of Neodiprion sertifer (Geoff.) were collected in Europe and reared to obtain egg parasites.

Type
Articles
Information
The Canadian Entomologist , Volume 90 , Issue 9 , September 1958 , pp. 557 - 563
Copyright
Copyright © Entomological Society of Canada 1958

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References

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