Two new species of Haploperla (Plecoptera: Chloroperlidae) from China Author Chen, Zhi-Teng Author Du, Yu-Zhou text Zootaxa 2016 4196 3 415 422 journal article 10.11646/zootaxa.4196.3.5 e2d330b4-e880-4283-8ff9-2a06d6662548 1175-5326 168118 3FFE63A0-8071-432C-9CED-ECEBDD55F55D 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