Leucophenga nigrinervis Duda 1924
Creators: name: Huang, Jia
name: Li, Tong
name: Chen, Hongwei
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Drosophilidae
Leucophenga
Leucophenga nigrinervis

description: Leucophenga nigrinervis Duda, 1924
(Figs 2 D, 5J, 6A, 6B, 10E, 13G, 13H, 21)
Leucophenga nigrinervis Duda, 1924: 236; Li & Wheeler, 1972: 248; Okada, 1990: 684.
Diagnosis. Paramere broadened and short (Fig. 21 C); aedeagus narrowed medially, expanded and with thick pubescence on distal 1/3 (Fig. 21 D).
Description. Ocellar triangle brown, with 2–5 setae above ocellar setae. Frons brownish to brown. Pedicel yellowish brown; first flagellomere yellow. Clypeus dark brown. Palpus brownish yellow. Mesonotum brownish yellow to yellowish brown, sometimes dark brown before scutellum (Figs 5 J, 6A). Postpronotal lobe yellow to brownish yellow (Fig. 6 B). Acrostichal setulae in 12–16 irregular rows (Figs 5 J, 6A). Scutellum brownish yellow to brown, black along margin, yellow around apical scutellar setae (Fig. 5 J), sometimes pale at tip. Pleura with a brown, longitudinal stripe above (Fig. 6 B). Katepisternum and mesopleuron mostly yellow to brownish yellow; mesopleuron with 1 brownish patch (Fig. 6 B). Wing (Fig. 2 D): Costal vein between R2+3 and R4+5 distally with 5–8 peg-like spinules on ventral surface. Mid and hindlegs brown on knees. Abdominal tergites brown to dark brown, with yellow patches (Fig. 10 E). Male terminalia: Epandrium mostly pubescent, with 10 setae near posterior margin per side (Fig. 21 A). Paramere round apically, with pubescence and 6 sensilla dorsally (Fig. 21 C).
Measurements. BL = 3.30–4.20 mm in ♂, 3.27–4.13 mm in ♀ (range in 5♂ and 5♀), THL = 1.67–2.83 mm in ♂, 1.60–1.80 mm in ♀, WL = 2.87–3.70 mm in ♂, 2.93–3.33 mm in ♀, WW = 1.33–1.77 mm in ♂, 1.33–1.60 mm in ♀, arb = 7–9/3–4, avd = 0.73–0.94, adf = 1.60–2.12, flw = 1.40–2.12, FW/HW = 0.36–0.40, ch/o = 0.04–0.05, prorb = 0.44–0.60, rcorb = 0.50–0.71, vb = 0.29–0.46, dcl = 0.40–0.56, presctl = 0.45–0.61, sctl = 1.10–1.43, sterno = 0.69–0.85, orbito = 1.83–2.40, dcp = 0.23–0.29, sctlp = 1.00–1.17, C = 1.76–2.12, 4c = 1.36–1.82, 4v = 1.64–2.47, 5x = 1.00–1.27, ac = 2.58–3.63, M = 0.49–0.70, C3F = 0.85–0.90.
Specimens examined. CHINA: 1♂ (SCAU, No. 123045), Dabang, Jiayi, Taiwan, 800m, 15.x.2012, ex tree trunk, HW Chen; 1♀ (SCAU, No. 123046), Fengtongzhai, Yaan, Sichuan, 30°34'N, 102°23'E, 1570m, 19.ix.2005, ex tussock, HW Chen; 3♂, 1♀ (SCAU, Nos 123047 –50), Jizushan, Dali, Yunnan, 26°01'N, 100°21'E, 1900m, 3.vii.2006, ex tree trunks, T Li; 2♂, 2♀ (SCAU, Nos 123051 –54), Hesong, Menghai, Yunnan, 21˚50'N, 100˚06'E, 1750m, 27.iii.2011, ex tussocks, SJ Yan, JM Lu; 2♂ (SCAU, Nos 123055, 56), Ailaoshan, Jingdong, Yunnan, 24°32'N, 101°01'E, 2100m, 31.vii.2006, ex tree trunks, T Li; 2♂, 2♀ (SCAU, Nos 123057 –60), Weixi, Yunnan, 27°10'N, 99°17'E, 1900m, 29.vii.2004, ex tree trunks, HW Chen; 1♂ (SCAU, No. 123001), Jiaoye Park, Kunming, Yunnan, 2000m, 31.vii.2000, ex tree trunk, HW Chen; 3♂, 1♀ (SCAU, Nos 123061 –64), Tongmai, Bomi, Xizang, 30°06'N, 95°05'E, 2000m, 12.x.2010, ex tree trunks, YR Su. JAPAN: 1♂ (SCAU, No. 123092), Iriomote Is., Ryukyu Is., 18.vi.1999, tree trunk, HW Chen.
Distribution. China (Taiwan, Sichuan, Yunnan, Xizang), Japan (Ryukyu Is.).
description: Published as part of Huang, Jia, Li, Tong & Chen, Hongwei, 2014, The genus Leucophenga (Diptera, Drosophilidae), part IV: the ornata species group from the East Asia, with morphological and molecular evidence (II), pp. 1-55 in Zootaxa 3893 (1) on pages 27-28, DOI: 10.11646/zootaxa.3893.1.1, http://zenodo.org/record/287539