Press release: Promiscuous butterflies
6 February 2007
A study at UCL finds that a high-prevalence of male-killing bacteria active in many species of insect including the butterfly, actually increases female promiscuity and male fatigue.
The team found that when the male insect population drops - killed off by the bacteria - the female butterfly becomes more sexually rampant. Males on the other hand show signs of fatigue and put less effort into mating.
Read the full press release.