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EFFECT OF FOOD AVAILABILITY ON RATES OF LOSS OF 45CALCIUM FROM HYPHANTRIA CUNEA (LEPIDOPTERA: ARCTIIDAE)

Published online by Cambridge University Press:  31 May 2012

David C. Coleman ,
Carl D. Monk  and
J. Thomas Callahan
David C. Coleman
Affiliation:
University of Georgia, Athens3
Carl D. Monk
Affiliation:
University of Georgia, Athens3
J. Thomas Callahan
Affiliation:
University of Georgia, Athens3
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Abstract

Final instar larvae of fall webworms, Hyphantria cunea (Drury), were labelled to equilibrium levels on persimmon leaves containing 45Ca. Loss rates of 45Ca from the larvae were followed in the laboratory after either feeding larvae on unlabelled leaves, or starving other larvae.Initial loss-rate characteristics were different in the two feeding treatments, but biological half-lives were not significantly changed. Feeding shifts the time at which the lower loss-rate comes into effect.

Type
Articles
Information
The Canadian Entomologist , Volume 101 , Issue 3 , March 1969 , pp. 328 - 332
Copyright
Copyright © Entomological Society of Canada 1969

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