DIAGNOSIS. Compound eye round. Vertex without spines or tubercles. Pronotum entirely smooth and equal in size to, or longer than, rest of body; metazona distinctly longer than prozona (3.6–5.4 times). Forefemur with four Discoidal spines, of which second is longer than the rest, 14–15 anteroventral spines and four posteroventral spines; inner side of forefemur with two transversely crossed bands which separated femoral area into three equal parts and darkened area near distal end of forecoxa. Internal apical lobes of forecoxa adjacent to each other. Foretibia with 7–8 posteroventral spines. Cerci simple and cylindrical with setae. Female significantly larger than male, with strongly shortened forewings and hindwings measuring less than half of abdominal length. Male with both wings well developed, reaching to tip of abdomen, brownish enfumated.