Two new species of Amphinemura (Plecoptera: Nemouridae) from Taiwan Province on the southeast coast of China Author Zhao, Meng-Yuan 0000-0003-2220-9924 School of Horticulture and Plant Protection & Institute of Applied Entomology, Yangzhou University, Yangzhou 225009, China Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education, Yangzhou University, Yangzhou 225009, China & 498308746 @ qq. com; https: // orcid. org / 0000 - 0003 - 2220 - 9924 498308746@qq.com Author Du, Yu-Zhou School of Horticulture and Plant Protection & Institute of Applied Entomology, Yangzhou University, Yangzhou 225009, China Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education, Yangzhou University, Yangzhou 225009, China text Zootaxa 2021 2021-05-12 4969 3 573 580 journal article 6409 10.11646/zootaxa.4969.3.9 b85906d7-309b-4476-980d-10d60e5d2c09 1175-5326 4751525 9DA4D4D1-32F7-4071-80B5-6BF22648A718 Key to males of Amphinemura species from Taiwan Province 1. Apex of epiproct with short flagellum or small projection..................................................... 2 - Epiproct with a long flagellum projected downward to a narrow apex, ventral sclerite forming a long triangular keel-shaped ridge extending ventrad and then posteriad, bearing a row of big black spines................ A. curvidens Shimizu, 1998 2. Apex of paraproct median lobe connected with the tip of outer lobe, median lobe broad basally and narrowed from the median to the apex, forming a finger-like tip with a row of spines near the tip ( Fig. 2 )................. A. reni Du & Zhao , sp. n. - Apex of paraproct median lobe separated from the tip of outer lobe.............................................. 3 3. Outer lobe of paraproct dark, triangular basally and apically, narrowed medially, with 4–5 spines on the tip ( Fig. 7 )........ ........................................................................... A. triquetra Zhao & Du , sp. n. - Outer lobe of paraproct without triangular base or apex....................................................... 4 4. Pronotum punctured and pale brown or yellowish............................................................ 5 - Pronotum not punctured, dark brown with black spots; apex of epiproct with a short straight projection, ventral sclerite forming a semicircular keel-shaped ridge; median lobe of paraproct elongated and bent upward to a blunt tip, bearing several long spines........................................................................ A. seminigra Shimizu, 1998 5. Epiproct slender in dorsal view, apex slightly concave, forming a triangular projection with small spines; outer lobe of paraproct extending upward with 2 or 3 spines at the tip......................................... A. flavinotus Shimizu, 1997 - Epiproct almost oval in dorsal view, apex slightly concave, forming a short oblong projection, with a row of small spines; median lobe of paraproct with 6–7 long spines at the tip.................................. A. flavicollis Klapálek, 1912