The name flea beetle describes many species of small beetles that chew tiny shot-holes in plant foliage and jump around like fleas when disturbed. Although some species feed on a wide range of plants, most FB species attack a single species or family of related plants. New Hampshire garden crops most likely to suffer early-season FB attack include cabbagefamily crops, potatoes, tomatoes, eggplant, beets, corn, grapes and spinach.