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SAMPLING SYSTEMS FOR EUROPEAN RED MITE, PANONYCHUS ULMI (ACARINA: TETRANYCHIDAE): II. EFFECT OF SPUR CLUSTER SIZE ON MITE DISTRIBUTION1

Published online by Cambridge University Press:  31 May 2012

H. J. Herbert  and
K. P. Butler
H. J. Herbert
Affiliation:
Research Station, Canada Department of Agriculture, Kentville, Nova Scotia
K. P. Butler
Affiliation:
Research Station, Canada Department of Agriculture, Kentville, Nova Scotia
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Abstract

The relationship between the distribution of Panonychus ulmi (Koch) and cluster size was examined. As the population intensity increased, P. ulmi numbers and distribution tended to be more closely related to the number of leaves in a cluster.

Type
Articles
Information
The Canadian Entomologist , Volume 107 , Issue 5 , May 1975 , pp. 547 - 550
Copyright
Copyright © Entomological Society of Canada 1975

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References

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