Leucophenga regina Malloch, 1935

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), Zootaxa 3893 (1), pp. 1-55 : 33-34

Leucophenga regina Malloch, 1935

( Figs 2 I, 7A, 7B, 10K, 14E, 14F, 25)

Leucophenga regina: Malloch, 1935: 90 ; Bock, 1979: 34; Panigrahy & Gupta, 1982: 489; Okada, 1990: 682.

Description. Ocellar triangle brown, with 4–6 setae above ocellar setae. Frons yellow to yellowish brown. Pedicel yellowish brown; first flagellomere yellow. Clypeus brown. Mesonotum dark brown, with thin, yellow longitudinal stripes sublaterally ( Fig. 7 A). Postpronotal lobe yellow. ( Fig. 7 B). Acrostichal setulae in 5–7 irregular rows ( Fig. 7 A); Pleura yellowish, with brown to dark brown patches posteriorly ( Fig. 7 B). Wing ( Fig. 2 I): Costal vein between R2+3 and R4+5 distally with 6–9 peg-like spinules on ventral surface. All femora with brown patches subbasally. Male terminalia: Epandrium with pubescence and 22 setae near posterior margin and ventral corner per side ( Fig. 25 A). Paramere broadened, with 4 sensilla distodorsally ( Fig. 25 C). Aedeagus with pubescence distally ( Fig. 25 D).

Measurements. BL = 4.33–5.03 mm in ♂, 4.13–4.47 mm in ♀ (range in 2♂ and 3♀), THL = 1.93–2.30 mm in ♂, 1.90–1.97 mm in ♀, WL = 3.40–3.73 mm in ♂, 3.33–3.47 mm in ♀, WW = 1.52–1.77 mm in ♂, 1.43–1.67 mm in ♀, arb = 8–10/4–5, avd = 0.73–0.85, adf = 1.80–2.04, flw = 2.10–2.26, FW/HW = 0.35–0.39, ch/o = 0.02–0.04, prorb = 0.62–0.71, rcorb = 0.64–0.74, vb = 0.36–0.42, dcl = 0.49–0.58, presctl = 0.54–0.61, sctl = 1.09–1.26, sterno = 0.65–0.74, orbito = 1.50–2.36, dcp = 0.20–0.27, sctlp = 1.06–1.22, C = 1.60–1.89, 4c = 1.33–1.76, 4v = 1.33–1.93, 5x = 2.80–3.22, ac = 3.42–3.61, M = 0.59–0.72, C3F = 0.82–0.86.

Specimens examined. CHINA: 2♂, 1♀ (SCAU, Nos 123124 –26), Conghua, Guangzhou, Guangdong, 23°26'N, 113°30'E, 200 m, 3.x.2003, 10.x.2005, ex tree trunks, HW Chen; 2♀ (SCAU, Nos 123127, 28), Yixiang, Puer, Yunnan, 1400 m, 13.v.2012, ex tree trunks, HW Chen.

Distribution. China (Guangdong, Yunnan), Japan (Ryukyu Is.), India (Orissa), Australia (Queensland).

Figures

FIGURE 2. Wing of male: A. Leucophenga atrinervis; B. L. digmasoma; C. L. multipunctata; D. L. nigrinervis; E. L. pectinata in male; F. L. pectinata in female; G. L. pentapunctata; H. L. quadripunctata; I. L. regina; J. L. trivittata. Scale bars = 1 mm.

FIGURE 7. Dorsal and lateral thorax of male: A, B. Leucophenga regina; C, D. L. trivittata; E, F. L. acutifoliacea sp. nov.; G, H. L. albiterga sp. nov.; I, J. L. angustifoliacea sp. nov..

FIGURE 25. Leucophenga regina, male terminalia in lateral view. A. epandrium, surstylus and cercus; B. hypandrium, paramere, gonopods, aedeagus and aedeagal apodeme; C. paramere; D. aedeagus. Scale bars = 0.1 mm.