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A field study of the predators of the grain aphid, Sitobion avenae (F.) (Hemiptera: Aphididae), in winter wheat in Britain

Published online by Cambridge University Press:  10 July 2009

P. R. Holmes
Affiliation:
Ecological Physics Research Group, Cranfield Institute of Technology, Beds., UK

Abstract

In a field study of Sitobion avenae (F.) in winter wheat at Cranfield in southern England, the main predators were found to be the larvae of the staphylinid Tachyporus sp. and syrphids. Most predation occurred overnight. These predators were active during the period when the wheat crop was most suitable for aphid population increase, and in 1982 were apparently responsible for preventing an outbreak at Cranfield.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1984

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