Sinacroneuria

Li, Weihai, Murányi, Dávid & Wang, Rongfeng, 2014, A new species of Sinacroneuria (Plecoptera: Perlidae) from China with a provisional key to species, Zootaxa 3895 (2), pp. 285-291 : 290

Key to the males known species of Sinacroneuria

1. Head mostly dark brown, without dark pigment in ocellar triangle, aedeagus not described.............. S. quadriplagiata

-. Head with dark pigment in ocellar triangle.................................................................. 2

2. Sensilla basiconica patch of tergum 9 fused medially......................................................... 3

-. Sensilla basiconica patch of tergum 9 narrowly divided medially....................................... S. orientalis

3. Head with two ocelli (fig. 1 in Stark and Sivec 2008)................................................ S. biocellata

-. Head with three ocelli.................................................................................. 4

4. Aedeagus with median sclerite in ventral aspect............................................................. 5

-. Aedeagus without median sclerite in ventral aspect (Figs. 3a & 3b).................................... S. bicornuata

5. Sensilla basiconica patch of tergum 10 separated, aedeagal Y-arms apically outcurved or parallel...................... 6

-. Sensilla basiconica patch of tergum 10 mostly fused, aedeagal Y-arms apically incurved (Figs. 1b, 2c–2e)..... S. dabieshana

6. Aedeagal Y-arms nearly parallel (fig. 4 in Yang and Yang 1998)............................................. S. yiui

-. Aedeagal Y-arms apically outcurved (figs. 8 & 16 in Yang and Yang 1998)........................................ 7

7. Legs with dorsum of femora black; lateral sclerite of aedeagal Y-shaped sclerite lightly sclerotized and shorter than Y-arms (fig. 8 in Yang and Yang 1998)............................................................. S. longwangshana

-. Legs with distal part of femora black; lateral sclerite of aedeagal Y-shaped sclerite strongly sclerotized and longer than Y-arms (fig. 16 in Yang and Yang 1998)...................................................................... S. wui