With bloated bellies and hairy legs, female flies try to look bigger to get food from courting mates. But male flies, in turn, have sharpened their eyesight to call their bluff. A new study suggests ...

In an evolutionary battle of the sexes, male fruit flies have sharpened their eyesight to avoid being tricked by females seeking food gifts while pretending to be fertile. To increase the chance that ...

For fruit flies, finding the right mate is all about the right song. Now, research shows that male flies don’t just try to impress their valentine by serenading her with song—they also go to great ...

The female receives a dead insect as a gift from the male during mating. The gift provides the female with the necessary protein to produce eggs. If the male arrives empty-handed, he is rejected. With ...

Male fruit flies don't just sing to their mates; they also use sound-cancelling wing-flicks to jockey with rivals. This new understanding of how male flies compete for female partners could shed light ...