willow beetle (wilobe"tl)

Any one of more than a hundred species of beetles which live upon the willow; specifically, a leaf-beetle, Phyllodecta vitellinæ, which damages willows in England and on the continent of Europe, its larvæ feeding on the leaves and pupating underground. willow-cactus (wil'ō-kaktus), n. See Rhip sal is. IMG:content-2390.png:[blocks in formation] whose large whitish larvæ feed on the foliage of the willow, elm, birch, and linden, frequently entirely defoliating large trees. See Cimbex.