Sinella quinocula Chen & Christiansen, 1993
Figs 7, 48–51, Table 2
Type locality. China, Anhui, Langya Mountain.
Material examined. Holotype and paratypes; 4 females on slides, China: Mei county: Tangyu town: Long Mountain, 34.13°N, 107.896°E, alt. 683 m, in litter of mixed hardwood-conifers forest, 8.viii.2010, F Zhang, Z-X Pan and DY Yu leg. (# C9616); 1 male and 1 female on slides, China, Anhui, Liuan, Youfandian, 31.547°N, 115.954°E, alt. 197 m, in rotten wood and topsoil, 1.viii.2012, ZX Pan leg. (# S4366); 1 female on slide and 3 in alcohol, China: Jiangsu: Nanjing: Qixia Mountain, in litter and topsoil, 16.ix.2012, ZX Pan leg. (# S4389).
Additions to original description. Clypeal chaetae 8, all ciliate and arranged in three rows; the middle one much smaller (Fig. 48). Lateral process of labial palp exceeding the papilla. Post-labial chaetae H1 and H4 ciliate; X3 often absent. Cephalic groove with 8 chaetae, the first and the third ones smooth and others ciliate (Fig. 51). Trochanteral organ with 11–15 spiny chaetae, 10–12 in arms and 1–3 between arms (Fig. 49). Ventral tube anteriorly with 7+7 ciliate chaetae (Fig. 46, same as S. gei); posteriorly with 10 smooth chaetae; each lateral flap with 8 smooth chaetae (Fig. 50). S-chaetotaxic formula 2, 2/1, 2, 2, –, 3 sens, 1, 0/1, 0, 0 ms.
Distribution. Anhui, Jiangsu, Shaanxi.
Remarks. Character differences see above remarks in S. gei . Compared to other two 5+5 eye species, S. quinocula is distributed in more southern region of China.