Genus Nipponosemia Kato, 1925

Nipponosemia Kato, 1925a: 55. Type species: Abroma terminalis Matsumura, 1913.

Diagnosis.

Body medium-sized. Head short, slightly produced anteriorly, not longer than pronotum; about as wide as base of mesonotum; postclypeus moderately swollen, longitudinally sulcate medially. Pronotum nearly trapezoid in dorsal view, wider than head; anterolateral margin not dentate, lateral angle of pronotal collar ampliated. Abdomen moderately obconical, usually shorter than distance from head to cruciform elevation; timbal cover somewhat semicircular, slightly wider than long, covering timbal almost entirely. Fore wing and hind wing with eight and six apical cells, respectively. Male pygofer with basal lobe absent; upper lobe present; uncus short, not dominant, median lobe of uncus weakly developed; claspers separated from each other in ventral view, with median clasper process long and lateral clasper lobe rounded; aedeagus cylindrical, long and somewhat stout, with six to eight spine-like processes apically and subapically.

Key to the males of the species of Nipponosemia Kato