Conotrachelus tuberculicollis, new species.— Form and size of juglandis, but thorax distinctly tuberculate, colour more uniform grayish, and the post-median fascia on elytra indistinct. Head densely covered with ochreous and white scale-like hairs; eyes separated by about the width of the beak; the beal slender, separated from the heady by a shglt transverse impression, about as long as head and thorax and slightly curved, distinctly tricarinate to about apical third, where it is closlely punctate; from base to about middle the surface is sparsely clothed with pale scale-like hairs; antennæ insterted about apical third, first joint of funicle slightly stouter than the second, but of nearly equal length.