Contribution to the knowledge of Chinese Phasmatodea II: Review of the Dataminae Rehn & Rehn, 1939 (Phasmatodea: Heteropterygidae) of China, with descriptions of one new genus and four new species Author Wai-Chun, George Ho text Zootaxa 2013 3669 3 201 222 journal article 10.11646/zootaxa.3669.3.1 86456ec2-1b61-45b2-beac-a1e3429c873b 1175-5326 222271 01ECEAD2-9551-4593-8DCE-95B1FCBAB20A Key to the genera of Chinese Dataminae Rehn & Rehn: 1. Whole body dorso-ventrally flattened; antennae slightly longer than profemora, never surpassing apices of protibiae................................................................................ Planispectrum Rehn & Rehn, 1939 - Whole body cylindrical; antennae distinctly longer than profemora, surpassing apices of protibiae.................... 2. 2. Body robust and thick-built, thorax not parallel-sided and mesonotum distinctly carinate medially in female; mesonotum with spines in male....................................................................... Pylaemenes Stål, 1875 - Body slender and elongate, thorax parallel-sided and mesonotum with indistinct median carina in female; mesonotum unarmed in male............................................................................................ 3. 3. Occiput elevated with a high crest and postero-dorsal carina of meso- and metafemora with three distinct fin-like lamellae in female; fourth and fifth abdominal terga with distinct hump medio-posteriorly and postero-dorsal carina of meso- and metafemora with three large fin-like lamellae in male................................... Hainanphasma Ho gen. nov. - Occiput lacking high crest and postero-dorsal carina of mesofemora and metafemora with indistinct lamellae in female; fourth and fifth abdominal terga lacking hump and postero-dorsal carina of meso- and metafemora with one to two small teeth in male.............................................................................. Orestes Redtenbacher, 1906