wireworms), and so maim the plant that its foliage suffers from want of water and assimilation is diminished, or actual withering follows.
extremes we find various transitional forms: an active larva, as described above, but with four-segmented, single-clawed legs, as among the rove-beetles and their allies; the body well armoured, but slender and worm-like, with very short legs as in wireworms and mealworms (figs.
Among the Coleoptera or bettles there is a group of world-wide pests, the Elateridae or click beetles, the adults of the various " wireworms."
By growing mustard and ploughing it in green the ground is made obnoxious to the wireworms, and may even be cleared of them.
In a fresh state it is poisonous and fatal to vegetation, and is often used for this reason to dress land infested with wireworms, grubs, club-root fungus, &c.