Thanks to the Guardian for pointing out that it was the female.
You've heard the sordid rumours, but now all can be revealed:
Telegraph: Strange sex life of melons exposed
Scientists have been able to take control of flies' brains to make females behave just like males.
The scientists simply removed the female flies' brains, and they immediately began drinking lager, farting and talking incessantly about football.
(I thought I'd better say it before Jo Brand did.)
New Scientist: Relief in sight for sufferers of constant erections
And here it is:
New Scientist: Women become sexually aroused as quickly as men
Women may have a reputation of demanding lengthy foreplay, but they become sexually aroused as quickly as men, according to a new study that used thermal imaging to measure increased blood flow to genital regions…
Subjects were naked from the waist down and positioned themselves such that their genital area was exposed and readable by the thermal imaging device. The participants next watched [a video of the Canadian countryside], or one featuring pornography, horror or comedic clips from the Best Bits of Mr Bean.
Mr Bean? Who are these pervs?