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SEPARATION OF THE EUROPEAN SPRUCE SAWFLY IN AMERICA FROM GILPINIA POLYTOMA (HTG.) (DIPRIONIDAE, HYMENOPTERA) AND EVIDENCE OF ITS INTRODUCTION‡

Published online by Cambridge University Press:  31 May 2012

R. E. Balch ,
W. A. Reeks  and
S. G. Smith
R. E. Balch
Affiliation:
Dominion Entomological Laboratory, Fredericton, N.B.
W. A. Reeks
Affiliation:
Dominion Entomological Laboratory, Fredericton, N.B.
S. G. Smith
Affiliation:
Department of Genetics, McGill University, Montreal, Que.
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Extract

The discovery of the “European spruce sawfly” in Canada in 1930 and the development of its destructive outbreak have been described (3). It was identified in 1931 as Diprion polytomum (Htg.), which became Gilpinia polytoma (Htg.) in 1939 as a result of Benson's revision of the genera of the Diprionidae. The work of parasite introduction (1) commenced immediately on the assumption that the insect was an importation from Europe.

Type
Articles
Information
The Canadian Entomologist , Volume 73 , Issue 11 , November 1941 , pp. 198 - 203
Copyright
Copyright © Entomological Society of Canada 1941

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References

REFERENCES TO LITERATURE

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