Some insects use bioluminescence to attract mates—but the click beetle emits light to attract prey. | National Geographic

To click or not to click, that is the question. The eyed click beetles are some of the coolest beetles to encounter in the spring and early summer here in the US. With a handful of species spanning just about the entire eastern 2/3rds of the country you’ve got a pretty good chance of encountering these lovely beetles! Don’t let their cute appearance fool you though, these beetles have a nasty secret! As they grow as larvae they actually prey on OTHER beetle larvae! That’s right! They live in fal