Tagged with battle and ballet

Beetle moms benefit from absentee dads

Beetle moms benefit from absentee dads

What’s good for the goose ain’t always good for the gander–until it is. In evolutionary biology-speak, sexual selection happens when one sex benefits from something that harms the other. For example, male seed beetles use their spiky penises to transfer as much sperm as possible during mating, but as you might imagine, those spikes aren’t … Continue reading

Love is (sometimes) a battlefield

Love is (sometimes) a battlefield

Ladies, how much influence do your (male) mates have over you? If people are anything like insects, it might be more than you realize. Thankfully, humans aren’t quite insects. In the fruit fly (Drosophila melanogaster), males have a considerable amount of control over their mates. And they keep exerting their control long after they’ve moved on … Continue reading