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The Influence of Spray Programs on the Fauna of Apple Orchards in Nova Scotia. VIII. Natural Enemies of the Eye-Spotted Bud Moth, Spilonota ocellana (D. & S.) (Lepidoptera: Olethreutidae)1

Published online by Cambridge University Press:  31 May 2012

H. T. Stultz
H. T. Stultz
Affiliation:
Fruit Insect Section, Science Service Laboratory Kentville, Nova Scotia
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Extract

The eye-spotted bud moth, Spilonota ocellana (D. & S.), has a long history as a pest in Nova Scotia apple orchards, serious damage by it being reported as early as 1891 (Fletcher, 1892). Its status has fluctuated considerably, the most notable outbreak reaching its peak in 1927. This outbreak occurred when dusts were being used for the control of orchard pests, and (Kelsall 1932) was one of the two main reasons for abandoning the general use of dusts after 1927. The bud moth declined rapidly after 1927 and by 1931 was rated a minor pest (Gilliatt, 1932a). After flutuating at relatively low levels for seven years, it increased in importance and by 1942 was again a major pest. From 1942 to 1952, there was little change in its general status although large fluctuations in population were observed in orchards in which certain insecticides had been used (Stultz, 1950). During 1953, there was a marked decline in the average population level although reductions did not occur in all orchards.

Type
Articles
Information
The Canadian Entomologist , Volume 87 , Issue 2 , February 1955 , pp. 79 - 85
Copyright
Copyright © Entomological Society of Canada 1955

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References

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