Author: BANERJEE, AMAL C.

Source: Journal of Economic Entomology, Volume 62, Number 3, June 1969 , pp. 705-708(4)

Publisher: Entomological Society of America

Abstract:

Sex attractants were found in females of the sod webworm moth Crambus trisectus (Walker); the bluegrass webworm, C. teterrellus (Zincken); and C. mutabilis Clemens. Living female moths were effective baits for luring males to traps. Ten virgin females of C. trisectus tested in the field attracted a total of 527 male moths, and 7 virgin females of C. teterrel/us attracted a total of 203 males during their entire lives. In both species about 75º of the male moths were attracted during the 1st 3 to 4 days of the life of the female. Females begin to emit the attractant soon after emergence and remair most attractive for the 1st 2 to 3 days of life. Their attractiveness decreases with age, and the females cease to attract males after mating. The gland believed to produce the pheromone is situated in the terminal segments of the abdomen of C. trisectus. The active pheromone in C. trisectus females was extracted with organic solvent and bioassayed with males.

Document Type: Research article

Publication date: 1969-06-01

More about this publication?

• 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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