Interphasma Chen et He, 2008

Li, B. L., Shi, F. M. & Wang, H. J., 2021, Stick insects of the genus Interphasma Chen et He, 2008 (Phasmida: Phasmatidae) from China, Far Eastern Entomologist 422, pp. 24-32 : 25

Genus Interphasma Chen et He, 2008

Type species: Interphasma lushanense Chen et He, 2008 , by original designation.

DESCRIPTION. Medium size stick insects. Apterous. Body robust in female, with wrinkles and granuloids; in male body smooth, with sparse and small granulations which may be absent in some species. Head slightly extended, oblong. One pair of granules between the eyes usually present, or absent in some species. Occiput flat, with granulation or smooth in the male of some species. Antennae distinctly segmented, shorter than fore femora and shorter than half of fore femora in female. Fore femora curved basally. Legs unarmed. Mesothorax slender. Median segment and abdominal tergite II transverse in female, but abdominal tergite

II length longer than width in male. Abdomen cylindrical. Female sternite VII with distinct praeopercular organ in most species, abdominal tergite IX with a protuberance in the middle of posterior margin, anal segment tectiform with truncated posterior edge. Female supra-anal plate small or indistinct; operculum boat-shaped. Male anal segment distinctly dilated into two lobes, subgenital plate cup-shaped. Cerci short and cylindrical, curved inward in male.

COMPOSITION. So far, the genus consists of 17 species distributed in China (Gansu,

Guangxi, Guizhou, Jiangxi, Shaanxi, Sichuan, Xinjiang and Yunnan) and Vietnam. One new species is described below.

List of the species and subspecies of the genus Interphasma from China with description of a new species