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Proc Biol Sci. 2003 Mar 22;270(1515):649-52.

A matter of taste: direct detection of female mating status in the bedbug.

Author information

  • 1Evolution and Behaviour Group, Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK. m.siva-jothy@sheffield.ac.uk

Abstract

Males of the bedbug, Cimex lectularius, traumatically inseminate females by inserting a needle-like intromittent organ (penis) through the female's abdominal wall after she has fed. We demonstrate that: (i) mating duration determines ejaculate size; (ii) a female's first copulation in a bout of copulations always lasts longer than subsequent copulations; (iii) the intromittent organ bears sensillae; (iv) males use their intromittent organ to 'taste' whether their current mate has recently copulated; and (v) the consequence of detecting female mating status is the reduction of copulation duration and ejaculate size. We discuss why male bedbugs might show this pattern of ejaculate-size adjustment.

PMID:
12769466
[PubMed - indexed for MEDLINE]
PMCID:
PMC1691276
Free PMC Article
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