Cerconychia 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 : 427-428

Cerconychia Klapálek, 1913

Cerconychia Klapálek, 1913 , Supplementa Entomologica, 2:124.

Cerconychia: Kimmins, 1941 , Entomologist, 47:87.

Cerconychia: Uchida & Isobe, 1989 , Spixiana, 12(2):149.

Cerconychia: Stark & Sivec, 2007 , Illiesia , 3(2):10.

Diagnostic characteristics: Body relatively small, males 8–12 mm in body length, females about 10–15 mm in body length. General color pale brown. Two ocelli, ocelli large; distance between ocelli usually about 1.5–2X as long as to the compound eyes. Head mostly pale brown, except interocellar area often covered by a dark spot. Antennae brown and palpi brown. Pronotum wider than long, pale brown, completely margined with an impressed dark line; both edges of the black middle line with irregular brown rugosities. Wings hyaline, veins dark brown. Male abdominal sternum 9 with a patch of long hairbrush transversely elongated anteromedially. Tergum 10 with posterior hemitergal lobes. Epiproct with hairs and more strongly sclerotized than in Styloperla , and a membranous swelling posteriorly. The basal shaft of cercus with a fringe of long hairs mesally; spur with an acute apex, not furcate. Aedeagus membranous or with ventral sclerites.