Timomenus aeris (Shiraki, 1906)
Apterygida aeris Shiraki, 1906: 9 .
Tinomenus aeris Burr, 1911: 93 .
Timomenus taboensis Shiraki, 1928: 23 (synonymized by Brindle, 1969: 245). Timomenus iteratus Steinmann, 1982: 370 (Syn. nov.) Timomenus morsus Steinmann, 1982: 373 (Syn. nov.)
Measurements. Total body: ♀ 14.0; forceps: ♀ 5.0.
Material. 4♀♀, Taiwan, China, 1935. V.27, collected by Ouchi; 1♀, Mushan, Taiwan, China, 1935. VII.6, collected by Ouchi; 1♀, Longhu Mountain, Long’an, Guangxi, China, 1999. VIII.29‒IX.1, collected by Liu Xian- Wei et al ..
Distribution. China (Zhejiang, Hunan, Fujian, Hainan, Taiwan, Guangxi), Vietnam, Indonesia.
Discussion. In Dermaptera, many species show great variation in the forceps of male. Timomenus morsus Steinmann, 1982 refers to the lighter form of this species, in which the head and pronotum are yellowish. Timomenus iteratus Steinmann, 1982 refers to the f. macrolabia of this species.