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FIRST RECORD OF CISSEPS FULVICOLLIS (LEPIDOPTERA: AMATIDAE) AS AN ECONOMIC DESTRUCTIVE INSECT ON GRAIN CORN IN CANADA

Published online by Cambridge University Press:  31 May 2012

Marcel Hudon  and
J. P. Perron
Marcel Hudon
Affiliation:
Research Station, Canada Department of Agriculture, St. Jean, Quebec
J. P. Perron
Affiliation:
Research Station, Canada Department of Agriculture, St. Jean, Quebec
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Abstract

In mid-July 1969, an extremely heavy population of the yellow-collared scape-moth, Cisseps fulvicollis (Hübner), was observed in a 45-acre field of grain corn at Napierville, Que. Larval feeding was heavily concentrated on the lower leaves of the plants, leaving only the mid-rib of the leaves unattacked. Approximately 92% of the pupae were parasitized by Itoplectis conquisitor (Say) and Ichneumon sp. of the group winkleyi, thereby reducing the moth population quite substantially. From samples of ears taken at harvest in the unattacked and infested portions of the field, the reduced yield was evaluated at about 7%.This is apparently the first published record of this amatid moth as an economic injurious insect on grain corn in Canada.

Type
Articles
Information
The Canadian Entomologist , Volume 102 , Issue 8 , August 1970 , pp. 1052 - 1054
Copyright
Copyright © Entomological Society of Canada 1970

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