The male Bruchid beetles have the word’s most scariest looking penis! Their penises have spines in them that stab at the female beetle’s reproductive system in order to reproduce.  They even cause the female’s organs to bleed internally. Hit the jump for a pic.

Steph B

Armed with a laser, microscope and a penis pump, the researchers shaved spines off the beetles’ anesthetized penises, and they can now reveal that the longer and more destructive the spines, the more success the male beetle has…
[R]esearchers found that the males with the longest spines on their penises get the most offspring, independent of other factors such as body size.

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