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THE WESTERN CHERRY FRUIT FLY, RHAGOLETIS INDIFFERENS (DIPTERA: TEPHRITIDAE): 1. DISTRIBUTION OF THE DIAPAUSING PUPAE IN THE SOIL1

Published online by Cambridge University Press:  31 May 2012

M. T. AliNiazee
M. T. AliNiazee
Affiliation:
Department of Entomology, Oregon State University, Corvallis
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Abstract

Field studies conducted in cherry orchards of the Willamette Valley, Oregon, indicate that diapausing pupae of the western cherry fruit fly, Rhagoletis indifferens Curran, overwinter in the soil at a depth of 1–4 in. Relatively very small numbers of pupae were collected from surface debris and soil samples taken at a depth of 6 in. and below. The number of flies emerging from different soil depths indicated that removal of the top 6 in. of soil caused a 99% reduction in adult emergence, while the removal of the top 1 in. of soil had no effect.

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Type
Articles
Information
The Canadian Entomologist , Volume 106 , Issue 9 , September 1974 , pp. 909 - 912
Copyright
Copyright © Entomological Society of Canada 1974

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References

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