Cerconychia brunnea Klapálek, 1913

Zhao, Meng-Yuan, Huo, Qing-Bo & Du, Yu-Zhou, 2020, Contribution to the knowledge of Chinese Cerconychia Klapálek (Plecoptera: Pteronarcyoidea: Styloperlidae) with a new synonym, Zootaxa 4759 (3), pp. 427-432 : 428-429

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).

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).

Figures

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.