Contribution to the knowledge of Chinese Cerconychia Klapálek (Plecoptera: Pteronarcyoidea: Styloperlidae) with a new synonym Author Zhao, Meng-Yuan Author Huo, Qing-Bo Author Du, Yu-Zhou text Zootaxa 2020 2020-04-03 4759 3 427 432 journal article 10.11646/zootaxa.4759.3.9 924793df-6845-46a0-a9a0-6cf1496166c9 1175-5326 3741296 5CC49EFE-891F-4F74-A73F-123409DA0D3B Cerconychia brunnea Klapálek, 1913 Cerconychia brunnea Klapálek, 1913 , Supplementa Entomologica , 2:126. Cerconychia brunnea: Uchida & Isobe, 1989 , Spixiana , 12(2):152. Male: Forewing length 9.0–11.0 mm, hindwing length 8.5–10.5 mm , body length 8.2–9.5 mm . Abdomen pale brown and slightly sclerotized laterally. Sternum 9 sclerotized, pores thick, with a sparse patch of long horizontal hairbrush medially (Fig, 2). First cercal segment swollen basally, with an inner sclerotized protuberance; slender, finger-like and slightly curved outward, with a small terminal spine ( Figs. 2, 3 ). Aedeagal sclerite V-shaped, as described by Uchida & Isobe (1989) . FIGURES 1–4. Cerconychia brunnea . 1. Male head and pronotum. 2. Male terminalia, A: dorsal view; B: ventral view. 3. Male right cercus, dorsal view. 4. Female terminalia, ventral view. Female: Forewing length 12.0 mm, hindwing length 11.0 mm, body length 10.5–11.0 mm. Coloration similar to male. Subgenital plate highly reduced, anterior margin appears indistinct (Fig, 4). Egg: Described by Uchida & Isobe (1989) . Nymph: Unknown. Type locality: China , Taiwan . Material examined: 2 ♂ ♂ , China , Taiwan , Taichung County , Wulin , 1986-XII-2 , leg. Kwonk-Chng Wong ( ICYZU ); 2 ♂ ♂ , 2 ♀ ♀ , Taiwan , Taipei County, Wulai, Shiaoi, 470m , 24°50′07″N , 121°39′32″E , 1996-VIII-4 , leg. Sivec & Horvat ( ICYZU ). Distribution : China ( Taiwan) .