Leucophenga cultella
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Ordo: Diptera
Familia: Drosophilidae
Genus: Leucophenga
Name
Leucophenga cultella Huang, Jia, 2017 – Wikispecies link – Pensoft Profile
- Leucophenga cultella Huang, Jia, 2017, Zootaxa 4247: 227-230.
Diagnosis
Diagnosis. This species is mostly similar to L. acuticauda sp. nov. in having the wing fuscous along R1 and costa (Fig. 2 H, I), the color patterns of abdominal tergites in both male (Fig. 8 H, J) and female (Fig. 8 I, K), and the surstylus acute apically (Figs. 16, 17 A), but can be distinguished from the latter by the hypandrium with 3 sensilla (Fig. 17 B), and the aedeagus slender, acute apically, and slightly knife-shaped in lateral view (Fig. 17 D).
Description
Description. Ocellar triangle dark brown, with ca. 1–2 seta(e) above ocellar setae. Frons yellow to brownish yellow. Pedicel brownish yellow; first flagellomere yellowish. Clypeus brown. Palpus yellow. Mesonotum brownish yellow to brownish, with four brown, longitudinal stripes submedially and laterally in male (Fig. 4 G), brown before scutellum in female. Postpronotal lobe brownish yellow (Fig. 4 H). Acrostichal setulae in ca. 8–10 irregular rows (Fig. 4 G). Scutellum dark brown, brownish yellow at tip (Fig. 4 G). Pleura with a brown, longitudinal stripe above (Fig. 4 H). Katepisternum and meron brownish yellow, slightly brownish above (Fig. 4 H). Wing (Fig. 2 I): Costal vein between R2+3 and R4+5 distally with ca. 5 peg-like spinules on ventral surface. Abdominal tergites mostly dark brown (Figs. 8 J, K), with a pair of yellow patches submedially between 2nd to 3rd tergites. Male terminalia: Epandrium with ca. 3 setae near posterior margin per side (Fig. 17 A). Paramere with ca. 1 sensillum medioventrally and ca. 5 sensilla distally (Fig. 17 C).
Measurements. BL = 2.80 mm in holotype (range in 4♂ and 5♀paratypes: 2.30–2.53 mm in ♂, 2.27–2.67 mm in ♀), THL = 1.20 mm (1.07–1.13 mm in ♂, 0.93–1.23 mm in ♀), WL = 2.30 mm (1.97–2.13 mm in ♂, 1.93–2.60 mm in ♀), WW = 1.00 mm (0.90–1.07 mm in ♂, 0.87–1.13 mm in ♀), arb = 7/4 (6–7/3–4), avd = 0.92 (0.83–0.92), adf = 2.00 (1.67–2.00), flw = 2.00 (1.57–2.00), FW/HW = 0.40 (0.35–0.45), ch/o = 0.04 (0.03–0.06), prorb = 0.84 (0.63–0.80), rcorb = 0.79 (0.70–0.80), vb = 0.42 (0.33–0.50), dcl = 0.50 (0.38–0.57), presctl = 0.54 (0.41–0.61), sctl = 1.13 (1.23–1.38), sterno = 0.83 (0.62–0.80), orbito = 2.20 (2.00–2.75), dcp = 0.28 (0.25–0.32), sctlp = 1.08 (0.92–1.10), C = 2.35 (2.11–2.63), 4c = 1.12 (1.06–1.41), 4v = 2.09 (1.93–2.46), 5x = 2.36 (1.69–2.30), ac = 3.08 (2.92–3.17), M = 0.79 (0.69–0.84), C3F = 0.84 (0.76–0.85).
Materials Examined
China Linan K Liu China Yizhang HL Cao Taiwan Hairui HW Chen Taiwan Libo J Huang Taiwan Puer HW Chen Taiwan Menghai SJ Yan Taiwan Bomi L Wu.
Distribution
Distribution.China (Zhejiang, Hunan, Taiwan, Guizhou, Yunnan, Xizang).
Etymology
Etymology. From the Latin word “ cultellus ” (= knife), referring to the aedeagus slightly knife-shaped in lateral view.
Taxon Treatment
- Huang, Jia; Su, Yirui; Chen, Hongwei; 2017: The genus Leucophenga (Diptera, Drosophilidae), part VII: the subpollinosa species group from China, with morphological and molecular evidence, Zootaxa 4247: 227-230. doi
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