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Variation Between Samples of Immature Stages, and of Mortalities from Some Factors, of the Eye-Spotted Bud Moth, Spilonota ocellana (D. & S.) (Lepidoptera: Olethreutidae), and the Pistol Casebearer, Coleophora serratella (L.) (Lepidoptera: Coleophoridae), on Apple in Quebec1

Published online by Cambridge University Press:  31 May 2012

E. J. LeRoux  and
C. Reimer
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Extract

In July, 1956, studies on mortality factors affecting abundance of immature stages of the eye-spotted bud moth, Spilonota ocellana (D. & S.), and the pistol casebearer, Coleophora serratella (L.), on apple were initiated in permanent orchard plots at Rougemont, Que. The object was to prepare life tables (Morris and Miller, 1954) for successive generations of each species through the rise and fall of a local epidemic. In preparing such tables, sound sampling techniques are necessary (Morris, 1955). This is a report on variation in samples, and in some mortality factors, of immature stages of the two species for the years 1956 to 1959, and on sampling recommendations.

Type
Articles
Information
The Canadian Entomologist , Volume 91 , Issue 7 , July 1959 , pp. 428 - 449
Copyright
Copyright © Entomological Society of Canada 1959

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