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POPULATION CYCLES OF THE DOUGLAS-FIR TUSSOCK MOTH (LEPIDOPTERA: LYMANTRIIDAE): THE TIME-DELAY HYPOTHESIS1

Published online by Cambridge University Press:  31 May 2012

Alan A. Berryman
Alan A. Berryman
Affiliation:
Department of Entomology, Washington State University, Pullman 99164
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Abstract

A simple population model is used to test the hypothesis that Douglas-fir tussock moth population cycles are caused by time-delays in the responses of density-dependent (negative feedback) processes. The limited data that are available do not seriously conflict with this hypothesis.

Type
Articles
Information
The Canadian Entomologist , Volume 110 , Issue 5 , 01 May 1978 , pp. 513 - 518
Copyright
Copyright © Entomological Society of Canada 1978

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