fleabeetle

noun

1. A small beetle of the family <i>Halticid&aelig;</i>, of many species. They have strong posterior legs and leap like fleas. The turnip flea-beetle (<i>Phyllotreta vittata</i>) and that of the grapevine (<i>Graptodera chalybea</i>) are common injurious species.

   noun

   Source: webster1913