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STARVATION OF THE EARLY INSTARS OF THE PALE WESTERN CUTWORM, AGROTIS ORTHOGONIA MORR., AND ITS USE IN THE CONTROL OF THIS PEST*

Published online by Cambridge University Press:  31 May 2012

H. L. Seamans  and
P. J. G. Rock
H. L. Seamans
Affiliation:
Dominion Entomological Laboratory, Lethbridge, Alberta
P. J. G. Rock
Affiliation:
Dominion Entomological Laboratory, Lethbridge, Alberta
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Extract

Each year since 1911 the pale western cutworm, Agrotis orthogonia Morr., has taken a toll of the grain crops in some part of the Canadian prairies. The extent of the outbreak has varied from small, isolated areas of infestation to gcneral outbreaks covering over 150,000 square miles. Until 1936 the only practical method of controlling this cutworm was the use of definite cultural practices designed to prevent the moths from ovipositing in certain fields during August and early September.

Type
Articles
Information
The Canadian Entomologist , Volume 77 , Issue 4 , April 1945 , pp. 57 - 61
Copyright
Copyright © Entomological Society of Canada 1945

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References

† Cook, W. C., Montana Experiment Station Bulletin 255, pp. 61–62Google Scholar.