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POPULATION SUPPRESSION BY TRANSMISSION OF INHERITED STERILITY TO PROGENY OF IRRADIATED CABBAGE LOOPERS, TRICHOPLUSIA NI

Published online by Cambridge University Press:  31 May 2012

David T. North  and
Gerald G. Holt
David T. North
Affiliation:
Metabolism and Radiation Research Laboratory, Entomology Research Division, ARS-USDA, Fargo, North Dakota
Gerald G. Holt
Affiliation:
Metabolism and Radiation Research Laboratory, Entomology Research Division, ARS-USDA, Fargo, North Dakota
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Abstract

Laboratory population experiments and theoretical calculations are presented that demonstrate effective population suppression by the introduction of partially sterile cabbage loopers into a native population. The use of partially sterile males is advantageous because they are highly competitive with native moths, and since their progeny are sterile provides for population suppression over at least three generations. It is projected, based on experimental results, that 92% control can be obtained for three generations through a single release of partially sterile males. This modification of the sterile-male technique for Lepidoptera could result in control and sizeable savings in cost. Insecticide and other forms of control can be used simultaneously without any effect on the efficiency of the release program.

Type
Articles
Information
The Canadian Entomologist , Volume 101 , Issue 5 , May 1969 , pp. 513 - 520
Copyright
Copyright © Entomological Society of Canada 1969

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