Dancing Caterpillars...

Amateur photographer Desmond Cannon of Brae, Ire...  ...pher Desmond Cannon of Brae, Ireland caught these sawfly caterpillars eating through a leaf while sticking...  ...ester, Hants, said the behaviour was perculiar to sawfly larvae. He said: "It is a defence mechanism. I...

http://www.neatorama.com/2009/08/11/dancing-caterpillars/