Evolution: Sex and cannibalism in redback spiders

Matthew J. G. Gage

doi:10.1016/j.cub.2005.08.003

Evolution: Sex and cannibalism in redback spiders

Matthew J. G. Gage

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

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.

Original language	English
Pages (from-to)	630-632
Number of pages	3
Journal	Current Biology
Volume	15
Issue number	16
DOIs	https://doi.org/10.1016/j.cub.2005.08.003
Publication status	Published - 2005

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10.1016/j.cub.2005.08.003Licence: Other

Cite this

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title = "Evolution: Sex and cannibalism in redback spiders",

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.",

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