'Paranoia' about rivals alters insect mating behavior

Scientists at the University of Liverpool have found that male fruitflies experience a type of 'paranoia' in the presence of another male, which doubles the length of time they mate with a female, despite the female of the ...

Urine sprays during courtship send mixed messages

Walking through urine drives crayfish into an aggressive sexual frenzy. Researchers writing in the open access journal BMC Biology suggest that a urine-mediated combination of aggressive and reproductive behaviour ensures ...

Absent pheromones turn flies into lusty Lotharios

(PhysOrg.com) -- When Professor Joel Levine's team genetically tweaked fruit flies so that they didn't produce certain pheromones, they triggered a sexual tsunami in their University of Toronto Mississauga laboratory. In ...

Prawnography shows captive bred prawns lack lust

A Queensland University of Technology researcher has filmed hours of prawn "sex tapes" to find out why prawns bred in captivity did not go on to breed well.

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