Evolution: Sex and cannibalism in redback spiders

Gage, Matthew J. G. (2005) Evolution: Sex and cannibalism in redback spiders. Current Biology, 15 (16). pp. 630-632. ISSN 1879-0445

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Abstract

Female redback spiders cannibalise mating males. New research has shown they have evolved two separate sperm storage organs, allowing them to make post-copulatory paternity choices. Counter-adaptation by males, to maximise paternity after cannibalism, has led to the evolution of an abdominal constricting mechanism, which enhances short-term survival and mating success after attack by the female and maximises the chances of inseminating both sperm storage sites.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Biological Sciences
UEA Research Groups:	Faculty of Science > Research Centres > Centre for Ecology, Evolution and Conservation Faculty of Science > Research Groups > Organisms and the Environment
Depositing User:	EPrints Services
Date Deposited:	01 Oct 2010 13:37
Last Modified:	28 Mar 2025 04:12
URI:	https://ueaeprints.uea.ac.uk/id/eprint/1054
DOI:	10.1016/j.cub.2005.08.003

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