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Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Sexual conflict and cryptic female choice in the black field cricket, Teleogryllus commodus
Author(s): Bussiere, Luc
Hunt, John
Jennions, Michael D
Brooks, Robert
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Keywords: Agonistic behavior in animals
Sex Behavior, Animal
Reproduction Regulation
Crickets evolution
Insects Evolution
Issue Date: Apr-2006
Date Deposited: 4-Mar-2009
Citation: Bussiere L, Hunt J, Jennions MD & Brooks R (2006) Sexual conflict and cryptic female choice in the black field cricket, Teleogryllus commodus. Evolution, 60 (4), pp. 792-800.
Abstract: The prevalence and evolutionary consequences of cryptic female choice (CFC) remain highly controversial, not least because the processes underlying its expression are often concealed within the female reproductive tract. However, even when female discrimination is relatively easy to observe, as in numerous insect species with externally attached spermatophores, it is often difficult to demonstrate directional CFC for certain male phenotypes over others. Using a biological assay to separate male crickets into attractive or unattractive categories, we demonstrate that females strongly discriminate against unattractive males by removing their spermatophores before insemination can be completed. This results in significantly more sperm being transferred by attractive males than unattractive males. Males respond to CFC by mate-guarding females after copulation, which increases the spermatophore retention of both attractive and unattractive males. Interestingly, unattractive males who suffered earlier interruption of sperm transfer benefited more from mate guarding and guarded females more vigilantly than attractive males. Our results suggest that post-copulatory mate guarding has evolved via sexual conflict over insemination times rather than through genetic benefits of biasing paternity toward vigorous males, as has been previously suggested.
DOI Link: 10.1111/j.0014-3820.2006.tb01157.x
Rights: Published in Evolution. Copyright: Blackwell Publishing. The definitive version is available at

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