Idricerus xianganus Yang, 1992 (Fig. 10) Idricerus xianganus Yang, 1992: 649. Diagnosis. Forewing axillary angle not projecting, CuA2 long, about equal with two crossveins. Measurements. Male: body length 36 mm, abdomen length 22 mm, forewing 40 mm, hind wing 33 mm, antenna absent. Female: unknown. Head. Black, with dense black long hairs. Clypeus, labrum and genae yellowish-brown. Maxillary palpus and labial palpus dark brown. Eyes yellowish-brown, entire, no transverse furrow. Antennae absent. Thorax. Black brown. Mesonotum grayish brown, with dense black brown setae. Venter lighter color, with dense white long setae. Wings. Forewing hyaline. Basis of costal area and anal area pale brown. Wing base without axillary angle. Pterostigma pale yellow, with four veinlets. Apical area with 2 rows of cells, Cubital area with 5 cells in the longest central across row. Hind wing shorter than the forewing, nearly oblique triangle. Basis of costal area and anal area pale brown. Pterostigma pale yellow, with 4 veinlets. Apical area with 2 rows of cells, Cubital area with 4–5 rows of cells in the longest central across row. CuA2 long, about equal with 2–3 crossveins. Legs. Black brown. Apical spurs of tibia claw-like, slender and terminal slightly curved, reaching end of 2nd tarsomere. Abdomen. Short than hind wing. Black, basal 3 segments with yellowish-brown narrow posterior edge. Terminalia and Genitalia. Male. Anatomy of genital absent. Female. Unknown. Material examined. Holotype. 1♂, China, Hunan Yizang county, 22. VIII. 1981, collector unknown, CAUN 200367. Distribution. China: Hunan. Remark. Holotype sex record revision: in the original description by Yang (1992) the holotype is recorded as female, but he mentioned that this single type specimen has a spiracle on the 8th abdominal lateral membrane. In the family of Ascalaphidae the spiracle on the 8th abdominal segment located on the 8th tergite in female, and is on the 8th abdominal segment lateral membrane in male. We examined the abdomen and terminalia of this holotype and confirm that this holotype is male, the original sex record is a wrong.

Published as part of Zhang, Jie, Sun, Mingxia & Wang, Xinli, 2015, Synopsis of subfamily Haplogleniinae Newman, 1853 in China (Neuroptera: Ascalaphidae), pp. 375-390 in Zootaxa 3941 (3) on page 380, DOI: 10.11646/zootaxa.3941.3.4, http://zenodo.org/record/239978