Flea-beetle \Flea"-bee`tle\, n. (Zool.)
A small beetle of the family {Halticid[ae]}, of many species.
They have strong posterior legs and leap like fleas. The
turnip flea-beetle ({Phyllotreta vittata}) and that of the
grapevine ({Graptodera chalybea}) are common injurious
species.
[1913 Webster]