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Natural and Synthetic Materials with Insect Hormone Activity. X. A Method of Sexually Spread Insect Sterility1

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Abstract:

Substances with juvenile hormone activity appear to possess the characteristics of ideal chemosterilants. Transdihydro- dichloro-farnesenic acid methyl ester and trans dihydro-dichloro-farnesenic acid ethyl ester were administered topically to males of PYrrhocoris apterus L. The substances were transmitted from treated males to mated females in doses high enough to cause permanent sterility of the females. The transmitted substance retained activity within the female body, and all laid eggs received the doses, resulting in cessation of embryonic development. The effect was reinforced by repeated mating of females with treated males. Single matings were most effective when treated males mated for the first time after the application. Male inhibitory activity decreased with subsequent matings. There was no refertilization when sterile females were mated with nontreated males. The use of the sexually spread sterility method seems to he promising for control of certain pests.

Document Type: Research Article

Publication date: June 1, 1970

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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