Summary: Biol. Lett. (2005) 1, 276­279
doi:10.1098/rsbl.2005.0318
Published online 7 June 2005
Novel male trait prolongs
survival in suicidal mating
Maydianne C. B. Andrade*, Lei Gu
and Jeffrey A. Stoltz
Integrative Behaviour & Neuroscience Group, Department of Life
Sciences, University of Toronto at Scarborough, Toronto, Ontario,
Canada M1C 1A4
*Author for correspondence (mandrade@utsc.utoronto.ca)

Present address: Department of Biology, University of Western Ontario,
London, Ontario, Canada N6A 5B7
Male redback spiders (Latrodectus hasselti)
maximize paternity if they copulate twice with
their cannibalistic mate. Facilitating cannibalis-
tic attack during their first copulation yields
paternity benefits. However, females have paired
sperm-storage organs inseminated during two

Source: Andrade, Maydianne C.B. - Department of Biological Sciences, University of Toronto at Scarborough

Collections: Environmental Sciences and Ecology; Biology and Medicine