Notes on some toad bugs from China (Hemiptera, Heteroptera, Gelastocoridae).

The three species of Nerthra Say, 1832 (Hemiptera: Heteroptera: Gelastocoridae) occurring in China are reviewed. Dorsal habitus photographs of the two species, Nerthra asiatica (Horvath, 1892) and Nerthra indica (Atkinson, 1889), are provided, accompanied by illustrations of male genitalic structures and female ventral aspect of posterior abdominal segments. The male of Nerthra asiatica is recorded and reviewed for the first time.