Genus Apterolarnaca Gorochov, 2004

Diagnosis. Body medium. Wings absent. Male hind femora armed on ventral surface. Hind tibiae of male distinctly curved, with strongly reduced spines on dorsal surface and undulate on ventral surface; while female hind femora less strongly specialized. Male ninth abdominal tergite cuculli-form, posterior area obviously divided into 2 lateral lobes or spines, distinctly curved ventrad, emargination between them deep and triangular; subgenital plate without styli, posterior margin with a deep and wide concavity and with apices digitate laterally.