borer (borer)

[ especially one of the family Pholadida.-7. In entom., the terebra or ovipositor when it is used for boring, as in many beetles, flies, etc.- Annular borer. See annular. - Clover-root borer, a small scolytid beetle, Hyles in us trifolii (Müller), imported from Europe into America and very injurious to clover. The larva is cylindrical, of slightly curved form, whitish, with a yellowish head. The perfect beetle is a little over 2 millimeters in length, elongate-oval in form, and of a brownish black color, the elytra being reddish and somewhat shining.Grape-root borer, the larva of Ægeria pol ist i form is, a moth of the family Æger i ide, which lays its eggs in July or August at the base of the grape-vine, close to the ground. They are white fleshy grubs which eat the bark and sap-wood of the grape-root, and transform to the pupa state within a pod-like cocoon of gummy silk, to which bits of wood and bark are attached. IMG:content-2342.png:[blocks in formation] 632