INSECTS OF THE NORTHERN PARTS OF BRITISH AMERICA

Extract

This spccies is extlemely similar to C. maxillosus, and its American representative. The following circumstances principally distinguish them. The anterior angles of the prothorax in C. maxillosus are thinly cloathed with shortish black hairs; in C. villosus, these hairs are cinereous, longer, mole numerous, and cover a larger portion of the angle; in the former, the band of the elytra is whiter and wider than in the latter; in the former also the back of the abdomen, especially the third and fourth segments, is mottled with cinereous hairs; in the latter the second and third have each a cinereous band interupted in the middle; again the four first ventral segments in C. maxillosus are thickly covered with decumbent cinereous hairs, with each a lateral black spot on both sides, while in C. villosus