Zygoneura (Pharetratula) longa Zhang & Wu, 2010

(Figs 8A–D)

Zygoneura (Pharetratula) longa Zhang & Wu, 2010 [Zhang et al. (2010): 43; Shin et al. (2014): 562; Huang et al. (2020): 360].

Type locality. China: Zhejiang Province, Lishui .

Type Material. Holotype (1♂) in Coll. ZAFU (China).

Material examined. Holotype [SM00948], 1♂, Zhejiang Province, Lishui, Taishun, Mt. Wuyanling nature reserve, 28°01′ N, 120°38′ E, 600 m a.s.l. 04.VIII.2005, leg. Yi-Ping Wang.

Additional description. Male. Head brown, antenna and maxillary palpus stramineous. Eye bridge four facets wide. Face with 6–8 setae. Maxillary palpus with three segments (Fig. 8B). Fourth antennal flagellomere 2.5 times as long as wide, body with mostly short setae and with a row of clearly elongated setae near the neck (Fig. 8D). Thorax pale brown. Wing membrane without macrotrichia. M 1, M 2, CuA 1, CuA 2, r-m with no setae. stM faded in the specimen. Legs (Fig. 8A) stramineous. Tarsal claws three-toothed. Hypopygium (Fig. 8C) yellowish brown. Gonocoxae nearly as long as or slightly longer than gonostyli, ventral medial margin with two distinct groups of setae. Gonostylus (Fig. 8C) slender, with a sub-apical and a sub-basal megasetae, inner margin slightly concave, with short fine setae. Tegmen membranous, higher than wide.Aedeagus short, slender (Fig. 8C). For detailed description, see Zhang et al. (2010).

Remarks. Only holotype seen, 2♂♂ paratypes [SM00129, SM00507] on loan and not examined in this study. This species resembles Z. (Pharetratula) subdivergens (Mohrig & Mamaev) and Z. (Pharetratula) divergens (Mamaev) in the subapical and sub-basal megasetae. However, it can easily be distinguished by the distinctly more slender gonostylus (Fig. 8C) and two unequal megasetae (Zhang et al. 2010).

Distribution. China: Zhejiang, Fujian (Zhang et al. 2010).