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A Virus Disease of the European Pine Sawfly, Neodiprion sertifer (Geoffr.)1

Published online by Cambridge University Press:  31 May 2012

F. T. Bird  and
M. M. Whalen
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Extract

Escherich (7) was the first to report a polyhedral virus disease affecting the European pine sawfly, Neodiprion sertifer (Geoffr.). Later Forsslund (8) observed that populations of this insect in Sweden were controlled by a virus disease. In 1948, H. S. Hanson. Entomologist of the Forestry Commission, England, observed mortality among N. sertifer in England which was due to a polyhedral virus disease (10). In 1949 virus-killed larvae collected in Sweden by Forsslund, were sent to the Laboratory of Insect Pathology, Sault Ste. Marie by G. R. Wyatt of this laboratory and the virus from these insects was propagated and used in the biological control of N. sertifer in southern Ontario (3, 5). This paper describes some aspects of the laboratory studies of the disease, namely: the infection process in cells susceptible to the virus, incubation period of the disease, and the isolation and electron microscope study of the causal agent.

Type
Articles
Information
The Canadian Entomologist , Volume 85 , Issue 12 , December 1953 , pp. 433 - 437
Copyright
Copyright © Entomological Society of Canada 1953

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References

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