Haploperla

Chen, Zhi-Teng & Du, Yu-Zhou, 2016, Two new species of Haploperla (Plecoptera: Chloroperlidae) from China, Zootaxa 4196 (3), pp. 415-422 : 422

Key to males of Chinese species of Haploperla

1. Epiproct with an acute apex............................................................................. 2

-. Epiproct with a bluntly rounded apex...................................................................... 5

2. Medial sclerotized area of tergum 10 pale and not distinct........................................ H. ussurica Navás

-. The sclerotized area of tergum 10 distinct.................................................................. 3

3. Head and pronotum almost pale only with a pale brown area covering ocelli ( Fig. 1 )................ H. tuanjiena sp. nov.

-. Head and pronotum with distinct dark pigment.............................................................. 4

4. Tergum 9 with a spinous posterior lobe...................................................... H. choui Li & Yao

-. Tergum 9 without posterior lobe................................................. H. lepnevae Zhiltzova & Zwick

5. Epiproct mostly sclerotized and without hair............................................ H. triangulata Chen & Du

-. Epiproct with sclerotized margins, membranous posterodorsally with sparse patch of setae........................... 6

6. Tergum 9 with a posterior lobe; epiproct with a rounded tip ( Figs. 12, 14 )...................... H. datongensis sp. nov.

-. Tergum 9 without posterior lobe; epiproct tip narrow.................................... H. valentinae Stark & Sivec

Figures

FIGURES 1 – 3. Haploperla tuanjiena, sp. nov. 1. Male head and pronotum, dorsal view; 2. Male terminalia, dorsal view; 3. Male terminalia, lateral view.

FIGURES 11 – 14. Haploperla datongensis, sp. nov. 11. Male head and pronotum, dorsal view; 12. Male terminalia, dorsal view; 13. Male terminalia, lateral view; 14. Male terminalia, dorsolateral view.