The ball-bearing treehopper (Bocydium globulare), native to South America.
My favorite “go home evolution, you’re drunk” insect. The purpose of the balls on the pronotal extensions has yet to be definitively explained.
More about them here: http://bit.ly/1dBnX4F
Photograph by Sergio Moscato http://bit.ly/15hzCCE
From www.facebook.com/scienceisseriouslyawesome posted 7/17/13