Species of Placogenys Usinger and Matsuda

Genae much longer than clypeus, reaching apical fourth of antennal segment I; antennal segment I shorter than IV, and much shorter than III; abdomen longer than width across segment IV. Tergum VII with a transverse carina along the hind border, and a transverse sulcus in front of it...................... Placogenys clarkei Kormilev