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Effects of Dietary Components on Fecundity of the Parasitoid Exeristes comstockii (Cress.) (Hymenoptera: Ichneumonidae)

Published online by Cambridge University Press:  31 May 2012

G. K. Bracken
G. K. Bracken
Affiliation:
Research Institute, Research Branch, Canada Department of Agriculture, Belleville, Ontario
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Abstract

Feeding tests in which various components were omitted individually from a chemically defined diet for adults of the parasitoid Exeristes comstockii (Cress.) (Hymenoptera: Ichneumonidae) showed that amino acids, salts, and vitamins were needed for maximal egg production and maximum numbers of eggs contained in ovaries. Omission of fatty acids, ribonucleic acid and cholesterol had no effect. Only omission of vitamins lowered egg hatch. Tests showed that the ovaries could recover from vitamin starvation.

Type
Articles
Information
The Canadian Entomologist , Volume 97 , Issue 10 , October 1965 , pp. 1037 - 1041
Copyright
Copyright © Entomological Society of Canada 1965

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