Bedbugs are no favorite of humans, thanks to their itchy bite marks and plague-like contamination abilities. But it turns out they're not very nice to their ladies, either. Instead of bothering with his mate's reproductive tract, a male bedbug will take his sharp, pointy penis - and stab it right into her abdomen. Oh, but there must be some evolutionary advantage for the females, you say? Nah. Sometimes they die.
The brutal practice isn't unique to bedbugs. It can be found in a number of invertebrates, including a spider appropriately named H. sadistica.
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