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THE BIOLOGY AND LIFE HISTORY OF THE CUTWORM AMPHIPOEA INTEROCEANICA (LEPIDOPTERA: NOCTUIDAE), A NEW PEST OF STRAWBERRY IN MANITOBA1

Published online by Cambridge University Press:  31 May 2012

G. L. Ayre
G. L. Ayre
Affiliation:
Research Station, Agriculture Canada, Winnipeg, Manitoba R3T 2M9
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Abstract

A crown-boring noctuid, Amphipoea interoceanica (Smith), has suddenly become a serious pest of commercial strawberries in Manitoba. Eggs are laid in August on dead strawberry leaves and hatch in early May. Young larvae feed in the leaf stalks; older larvae bore in the crowns and kill the plants. There are six instars, pupation occurs in late July and adults emerge in August. The plants are first attacked in the second year of growth and by the fifth year the entire crop may be lost.

Type
Articles
Information
The Canadian Entomologist , Volume 112 , Issue 2 , 01 February 1980 , pp. 127 - 130
Copyright
Copyright © Entomological Society of Canada 1980

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References

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