Female. Length 2 1/2 lines.-Ferruginous: the head scarcely wider than the thorax; the mandibles stout and strongly denticulate on their inner margin; the head slightly emarginate behind. Thorax oblong-ovate, the metathorax obliquely truncated, the truncation smooth and shining. The abdomen elongateovate; the node of the peduncle incrassate, its superior margin rounded, slightly convex in front and concave behind, the concavity smooth and shining.
Hab, Mexico.
