Leucophenga atrinervis Okada, 1968

(Figs 2 A, 5A–D, 10A, 13A, 13B, 18)

Leucophenga atrinervis Okada, 1968: 313; 1990: 683.

Diagnosis. Aedeagus curved subbasally and subapically, with pubescence distally, acute apically (Fig. 18 D).

Description. Ocellar triangle yellowish brown, with 4–8 setae above ocellar setae. Frons yellowish brown to brown. Pedicel mostly yellowish brown; first flagellomere yellow. Clypeus brownish medially, dark brown laterally. Palpus brownish yellow. Mesonotum brownish yellow to yellowish brown, with brown, longitudinal stripes laterally (Fig. 5 A, B), sometimes dark brown medially (Fig. 5 A). Postpronotal lobe yellow (Fig. 5 C, D). Acrostichal setulae in 10–12 irregular rows (Fig. 5 A, B). Scutellum brownish yellow to yellowish brown, dark brown laterally, yellow at tip (Fig. 5 A, B). Pleura with a brown, longitudinal stripe above (Fig. 5 C, D). Katepisternum and mesopleuron (meron in Huang et al. 2013a, b) mostly brownish yellow; mesopleuron with a brownish patch (Fig. 5 C, D). Wing (Fig. 2 A): Costal vein between R2+3 and R4+5 distally with 5–8 peg-like spinules on ventral surface. Abdominal tergites black, with yellow patches (Fig. 10 A). Male terminalia: Epandrium nearly entirely pubescent, with 17 setae near posterior margin and ventral corner per side (Fig. 18 A). Hypandrium with long pubescence anteriorly (Fig. 18 B). Paramere with 6 sensilla submediodorsally (Fig. 18 C).

Min. intra., minimum intraspecific distance; Max. intra., maximum intraspecific distance; Mean intra. Vari., mean intraspecific variability; Min. inter., minimum interspecific distance; Max. inter., maximum interspecific distance; Mean inter. Vari., mean interspecific variability. #, no applicable.

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Measurements. BL = 3.53–4.13 mm in ♂, 3.43–4.33 mm in ♀ (range in 5♂ and 5♀), THL = 1.60–2.13 mm in ♂, 1.63–2.13 mm in ♀, WL = 2.83–3.60 mm in ♂, 3.00– 3.93 mm in ♀, WW = 1.30–1.63 mm in ♂, 1.37–1.83 mm in ♀, arb = 6–8/3–4, avd = 0.76–0.93, adf = 1.41–1.76, flw = 1.45–1.78, FW/HW = 0.42–0.47, ch/o = 0.05–0.07, prorb = 0.64–0.90, rcorb = 0.62–0.94, vb = 0.31–0.42, dcl = 0.42–0.65, presctl = 0.44–0.73, sctl = 1.11–1.49, sterno = 0.64–0.89, orbito = 1.69–2.20, dcp = 0.24–0.36, sctlp = 0.92–1.35, C = 2.13–2.65, 4c = 1.23–1.53, 4v = 1.90–2.40, 5x = 0.96–1.14, ac = 2.41–2.88, M = 0.54–0.63, C3F = 0.81–0.86.

Specimens examined. CHINA: 1♀ (SCAU, No. 122952), Guanmenshan, Benxi, Liaoning, 41˚13'N, 124°38'E, 400m, 27.vi.2009, ex tree trunk, HW Chen; 22♂, 23♀ (SCAU, Nos 122953 –97), Baiyunshan, Luoyang, Henan, 33°31'N, 111°17'E, 1200m, 29.vi.2005, ex tree trunks, JJ Jiang, T Li; 1♂, 1♀ (SCAU, Nos 123034, 35), Maoniuhe, Danba, Sichuan, 30˚41'N, 101˚45'E, 2650m, 14.ix.2005, ex tree trunks, HW Chen; 1♂ (SCAU, No. 123036), Wuliangshan, Jingdong, Yunnan, 18°41'N, 108°52'E, 1800m, 4.viii.2006, ex tree trunk, T Li. JAPAN: 1♂ (SCAU, No. 122998), Izumimura, Kumamoto, 18.viii.2002, tree trunk, HW Chen.

Distribution. China (Liaoning, Henan, Sichuan, Yunnan), Japan (Honshu).