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Chemosterilisation of the red bollworm Diparopsis castanea Hmps. (Lep., Noctuidae): effects of certain s-triazines and a carbamate insecticide

Published online by Cambridge University Press:  10 July 2009

D. G. Campion
D. G. Campion
Affiliation:
Centre for Overseas Pest Research, College House, Wrights Lane, London W8 5SJ
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Extract

Sublethal topically applied doses of the carbamate insecticide carbaryl and injection of certain s-triazine chemosterilants to female Diparopsis castanea Hmps. enhanced the rate of oviposition without reducing fertility. Treatment of male moths with carbaryl and certain s-triazines often caused an increase in mating disfunction expressed as an absence of sperm from the spermatheca after an apparently normal mating, permanent copulation or spontaneous extrusion of a spermatophore. No evidencewas found for a direct sterilising action of the chemosterilants against the insect sperm.

Type
Research Paper
Information
Bulletin of Entomological Research , Volume 61 , Issue 2 , November 1971 , pp. 351 - 355
Copyright
Copyright © Cambridge University Press 1971

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