Heterosmylus flavidus Yang, 1992

Dong, Min, Xu, Han, Wang, Yongjie, Jia, Chunfeng & Liu, Zhiqi, 2016, Revision of the genus Heterosmylus Krueger, 1913 from China (Neuroptera, Osmylidae), ZooKeys 637, pp. 107-128 : 118-120

Heterosmylus flavidus Yang, 1992 Figs 29, 30-35

Material examined.

Holotype Female. CHINA: Yunnan (Province): Lushui, Yaojiapin, [25°58'N, 98°42'E], 04.vi.1981, leg. Shuyong Wang. [Verbatim label data (translated from Chinese)]: CHINA: Yunnan Prov., Lushui, Yaojiaping/ 04.vi.1981/ Shuyong Wang/ CAU. Paratype Male, CHINA: Yunnan (Province): Lushui, Pianma, 29.v.1981. leg. Xuezhong Zhang. [Verbatim label data (translated from Chinese)]: CHINA: Yunnan Prov., Lushui, Pianma/ 29.v.1981/ Xuezhong Zhang/ CAU.

Diagnosis.

Pronotum with a dark brown longitudinal stripe medially; metanotum with a brown spot in middle; forewing light yellow; mediuncus C-shaped in lateral view and scoop-shaped in dorsal view.

Redescription.

Body length 7-9 mm. Head. Vertex dark brown, frons yellow; ocelli yellowish; Compound eyes brown with some small spots; antennae fuscous except for the yellow scape; clypeus yellow, maxillary and labial palpi black. Thorax. Mostly yellow. Pronotum with a brown longitudinal stripe, and with some long setae on both sides; mesonotum brown on margin; metanotum dark brown with a brown spot medially. Wings (Fig. 29). Forewing length 16-17 mm, width 5-6 mm; membrane light yellow, veins brown and thickened; pterostigma light yellow but brown on both sides; R1 edged with some brown spots, Rs with 11 branches, cross-veins among branches of Rs forming three series of gradates. Hind wing length 12-14 mm, width 4-6 mm; membrane hyaline with small spots between Sc and R1.

Male Terminalia (Figs 30-33). Ectoproct quadrate in lateral view; gonarcus rod-like, but apex not bent upwards in lateral view; gonocoxite bent in the middle; mediuncus C-shaped in lateral view and scoop-shaped in dorsal view.

Female Terminalia (Figs 34-35). 8th sternite finger-shaped in lateral view; ectoproct broad and approximately elliptical in lateral view; 9th gonocoxite finger-shaped in lateral view; 9th gonostylus relatively long and finger-shaped in lateral view; spermathecae bent into C-shape, base thicker than apex.

Distribution.

China (Yunnan).