Published online by Cambridge University Press: 31 May 2012
A series of specimens of this genus from Churchill, Manitoba, includes males of piniphilus Esch., of heteronychus Fall, and of two species which are described below as new. I am unable to distinguish the females, all of which have each claw of each tarsus supplied with a broad basal tooth.
* Contribution from the Division of Entomology (Systematic Entomology), Department of Agriculture, Ottawa.