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Design of a Sampling Plan for Studies on the Population Dynamics of the Imported Cabbageworm, Pieris rapae (L.) (Lepidoptera: Pieridae)1

Published online by Cambridge University Press:  31 May 2012

D. G. Harcourt
D. G. Harcourt
Affiliation:
Entomology Research Institute, Research Branch, Canada Department of Agriculture, Ottawa, Ontario
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Extract

In 1958, intensive studies on the population dynamics of the imported cabbageworm, Pieris rapae (L.), on cabbage were initiated in long-term study plots at Merivale, Ontario. The object was to construct ecological life tables for successive generations of the species, and ultimately, to develop mathematical models describing survival of field populations. This paper reports on the variation between samples of immature stages of the insect, and between some of the mortality factors affecting its abundance; it further illustrates the use of these data in designing a sampling plan with acceptable limits of precision.

Type
Articles
Information
The Canadian Entomologist , Volume 94 , Issue 8 , August 1962 , pp. 849 - 859
Copyright
Copyright © Entomological Society of Canada 1962

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References

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