Leucophenga helvipecta Huang &amp; Wang &amp; O'Grady &amp; Su &amp; Chen 2018, sp. nov.
Creators: name: Huang, Jia
name: Wang, Yalian
name: O'Grady, Patrick Michael
name: Su, Yirui
name: Chen, Hongwei
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Drosophilidae
Leucophenga
Leucophenga helvipecta

description: <i>Leucophenga helvipecta</i> Huang &amp; Chen, sp. nov. (Figs. 3H, 7M–O, 11A–C, 15I, 15J, 31) <b>Diagnosis.</b> This species is most similar to <i>L</i>. <i>forcipula</i> <b>sp. nov.</b> in having the wing entirely hyaline (Fig. 3E, H), the colour patterns of abdominal tergites in females (Figs. 10H, 11C), the shape and pubescence of epandrium, cercus, and surstylus (Figs. 28A, 31A), and the shape of paramere (Figs. 28C, 31C), but can be distinguished from the latter in having the abdominal 3rd tergite not shortened in males (Fig. 11A, B); aedeagus laterally with a long process at same its height (Fig. 31D). <b>Description.</b> Ocellar triangle brownish, with ca. 2 setae above ocellar setae. Frons brownish anteriorly, brownish yellow posteriorly (Fig. 7M). Pedicel dark yellow; first flagellomere yellow (Fig. 7M). Clypeus entirely dark yellow. Palpus yellow (Fig. 7M). Mesonotum mostly dark yellow (Fig. 7N). Postpronotal lobe yellow (Fig. 7O). Acrostichal setulae in ca. 12–14 irregular rows (Fig. 7N). Scutellum entirely brownish yellow (Fig. 7N). Pleura with a brownish yellow to brownish, indistinct longitudinal stripe above (Fig. 7O). Katepisternum and mesopleuron mostly yellow (Fig. 7O). Wing (Fig. 3H): Costal vein between R 2+3 and R 4+5 distally with ca. 4–6 peglike spinules on ventral surface; R 4+5 and M 1 nearly parallel distally; halter usually yellowish to yellow, sometimes with a brownish yellow patch at knob (Fig. 7N). Abdominal tergites dark brown to dark brown, 2nd tergite mostly yellow, 3rd to 5th tergites usually yellow submedially and sublaterally, 4th and 5th tergites with yellow patches submedially or sublaterally in males (Fig. 11A, B), 4th and 5th tergites mostly brown in females (Fig. 11C). Male terminalia: Epandrium with ca. 4 setae near posterior margin per side (Fig. 31A). Hypandrium with 1 sensillum (Fig. 31B). Paramere slender, narrow basally, with ca. 5 sensilla subdorsally (Fig. 31C). <b>Measurements and indices.</b> BL = 2.93 mm in holotype (range in 4&amp;male; and 5&amp;female; paratypes: 2.80–3.07 in &amp;male;, 2.40– 2.93 in &amp;female;), ThL = 1.40 mm (1.27–1.47 in &amp;male;, 1.13–1.40 in &amp;female;), WL = 2.37 mm (2.33–2.53 in &amp;male;, 2.03–2.68 in &amp;female;), WW = 1.17 mm (1.12–1.20 in &amp;male;, 0.90–1.33 in &amp;female;), arb = 7/2–3 (6–8/2–3), avd = 0.97 (0.80–0.93), adf = 2.13 (2.00– 2.31), flw = 1.87 (1.60–2.14), FW/HW = 0.41 (0.38–0.45), ch/o = 0.05 (0.05–0.07), prorb = 0.073 (0.68–0.95), rcorb = 0.68 (0.54–0.68), vb = 0.52 (0.40–0.60), dcl = damaged (0.33–0.44), presctl = 0.58 (0.47–0.67), sctl = 1.16 (1.14–1.25), sterno = 0.78 (0.67–0.83), orbito = 2.22 (2.00–2.25), dcp = 0.23 (0.16–0.26), sctlp = 0.93 (0.86–1.07), C = 2.26 (2.16–2.47), 4c = 1.34 (1.27–1.43), 4v = 2.21 (2.13–2.55), 5x = 1.38 (1.36–1.57), ac = 1.86 (1.80–2.00), M = 0.76 (0.73–0.83), C3F = 0.79 (0.66–0.79). <b>Type specimens.</b> Holotype &amp;male; (SCAU, No. 128594), JAPAN: Iriomote Is., Ryukyu Is., 24°20'N, 123°49'E, alt. 330m, 16.vi.1999, ex tree trunk, HW Chen. Paratypes: JAPAN: 4&amp;male;, 3&amp;female; (SCAU, Nos 128595–601), same data as holotype; CHINA: 1&amp;female; (SCAU, No. 128602), Baping, Fusui, Guangxi, 22°29'N, 107°54'E, alt. 110m, 18.viii.2004, ex tree trunk, HW Chen; 1&amp;male; (SCAU, No. 128603), Yixiang, Pu'er, Yunnan, 22°47'N, 101°02'E, alt. 1200m, 17.xi.2011, ex tussock, JJ Gao; 1&amp;female; (SCAU, No. 128604), Hesong, Menghai, Yunnan, 21°50'N, 100°06'E, alt. 1700m, 28.iii.2011, ex tree trunk, YR Su. <b>Distribution.</b> China (Guangxi, Yunnan), Japan (Ryukyu Is.). <b>Etymology.</b> A combination of the Latin words: “ <i>helvus</i> ” (= honey gold) and “ <i>pectus</i> ” (= thorax), referring to the mesonotum mostly dark yellow.
description: Published as part of <i>Huang, Jia, Wang, Yalian, O'Grady, Patrick Michael, Su, Yirui &amp; Chen, Hongwei, 2018, The genus Leucophenga (Diptera, Drosophilidae), part VIII: twenty-one species from the Oriental region, with morphological and molecular evidence, pp. 1-70 in Zootaxa 4503 (1)</i> on pages 51-52, DOI: 10.11646/zootaxa.4503.1.1, http://zenodo.org/record/5297894