Blacodes cristatus, n. sp.,♀

Wholly black, the tibiæ slightly piceous. Head light gray pollinose, that in middle of the front dark brown; face moderately convex, mystax black and white, very dense and extending nearly to the antennæ first joint of antennæ slightly longer than the second; third joint lanceolate, three times as long as the second joint; style slender, slightly over half as long as the third joint. Thorax very convex, gray pollinose and marked with a broad blackish-brown geminate median stripe, which is considerably dilated outwardly behind the middle; on each side of this stirpe is a broad, irregular, blackish-brown stripe extending but little in front of the middle of the dorsum; the median brown stripe bears numerous black and light yellow pile, which, on the anterior portion, forms a nearly erect crest; bristles of thorax black and light yellow; pleura mottled light gray and dark brown pollinose, the pile white; the fan-like row of bristles in front of the halteres is white.