1. Pseudomyrma bicolor ^HNS.

Pseudomyrma bicolor, Guer. ^HNS Icon. Reg. Anim. 427 [[worker]].

Smith, Trans. Ent. Soc. new ser. iii. 157-1 [[worker]].

Hab. Columbia.

This species is 5 Unes in length, black, shining, and covered with silky pile; the mouth, anterior margin of the face, the flagellum beneath, the articulations of the legs, the anterior tibiae, and the tarsi, rufo-testaceous; the first node of the peduncle ferruginous.