Pincer Beetle

The Dancing Bug is a bug that appears in the episode "Power Animal". Jake gets distracted by its booty-shaking dance and starts dancing with it, which attracts a number of other bugs for a bug dance party. When Jake saw it he thought it was "shaking it all wrong" and does a wild arm moving dance to show the beetle how to shake it. So then, the beetle starts to dance the same way as Jake. Then other bugs come to watch.

The Dancing Bug once again apears in "Susan Strong" when Finn, Jake and Susan are walking on a sidewalk that leads to the Candy Kingdom. Susan becomes freaked out by it, but Finn shows that it will not hurt her. Susan, Finn, and Jake then start dancing with it. It is possible that there is a species of dancing bugs.

Trivia

 * In the episode "Evicted!", in the cave when Finn and Jake are having a party, a bug is shown that looks extremely similar to the Dancing Bug. It may be a dancing bug, or it may not.
 * In the episode "Susan Strong", the Dancing Bug appears and when it freaks out Susan, Finn says "That can't hurt you. Thats a dancing bug," which may mean that the Dancing Bug is a species, although that bug looks considerably more realistic than the Dancing Bug in "Power Animal".
 * In "Power Animal," the Bug says that shaking it is all he knows.