Broscosoma species

Jiang, Ri-Xin & Chen, Xiang-Sheng, 2023, New species and distributional records of the genus Broscosoma Rosenhauer, 1846 (Coleoptera, Carabidae, Broscinae) from Fujian, China, Zootaxa 5244 (1), pp. 89-95 : 94

Key to Broscosoma species from Southeast China

1 Elytral striae on very shallow and not distinct........................................ B. uenoi Habu, 1973 (Taiwan)

- Elytral striae distinct.................................................................................. 2

2 Body larger, (> 9 mm), femora black or dark brown, apex of median lobe of aedeagus ending in a widely rounded tip................................................................................ B. wuyishanum sp. nov. (Fujian)

- Body smaller, (<8 mm), femora brown or reddish brown, apex of median lob of aedeagus ending in a narrowed tip....... 3

3 Elytral striae shallower, apical part of the left male paramere wide, the right male paramere covered with setae from middle to apex........................................................... B. guoliangi Jiang, Liu & Wang, 2021 (Fujian)

- Elytral striae distinctly deeper, apical part of the left male paramere narrow, the right paramere covered with setae only on apical third.................................................... B. zhengyuandongi Jiang, Feng & Wang, 2020 (Fujian)