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THE FUNCTIONS OF COPPER IN THE HOUSE CRICKET AND THE RELATION OF COPPER TO VITAMIN E1

Published online by Cambridge University Press:  31 May 2012

J. E. McFarlane
J. E. McFarlane
Affiliation:
Department of Entomolosy, Macdonald Campus of McGill University, Ste. Anne de Bellevue, Quebec
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Abstract

The addition of copper to an artificial diet improves growth and survival of the house cricket, Acheta domesticus (L.), the optimum concentrations being 2 μg/g for females and 10 μg/g for males. This sex difference in requirements is attributed in part to the accumulation of copper by the larval testis. Adult males showing a loss in pigmentation, the so-called ’albino’ males, are obtained on diets low in copper; the percentage of ’albino’ males is increased by the addition of vitamin E to the diet. The pigmentation effect of vitamin E is explained by movement of copper into the testis, the development of which is stimulated by vitamin E.

Type
Articles
Information
The Canadian Entomologist , Volume 106 , Issue 4 , April 1974 , pp. 441 - 446
Copyright
Copyright © Entomological Society of Canada 1974

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