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EFFECT OF MALE-DEPRIVATION ON FEMALE PHONOTAXIS IN FIELD CRICKETS (ORTHOPTERA: GRYLLIDAE; GRYLLUS)

Published online by Cambridge University Press:  31 May 2012

William H. Cade
Affiliation:
Department of Biological Sciences, Brock University, St. Catharines, Ontario L2S 3A1

Abstract

The effect of depriving female field crickets of conspecific male contact upon the frequency of phonotaxic response to conspecific mating song was tested in Gryllus integer Scudder and G. veletis Alexander and Bigelow (Orthoptera: Gryllidae). In both species, positive phonotaxis was 5 to 9 times more frequent in male-deprived females than in females kept with males. Increased phonotaxis in the former group was apparent with 3 days separation. Addition of G. veletis males to the female-only culture greatly reduced subsequent phonotaxis. As female field crickets sometimes occur in male-free areas in the field, such increased phonotaxis may well be of adaptive importance.

Information

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1979

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