Lordiphosa tripartita
Creators: name: Katoh, Takehiro K.
name: Zhang, Guang
name: Toda, Masanori J.
name: Zhang, Wen-Xia
name: Gao, Jian-Jun
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Drosophilidae
Lordiphosa
Lordiphosa tripartita

description: Lordiphosa tripartita (Okada, 1966)
(Pls 1D, 3¯5D, 7D; Fig. 6)
Drosophila (Hirtodrosophila) tripartita Okada, 1966: 78.
Drosophila (Lordiphosa) tripartita: Okada, 1990: 154.
Lordiphosa tripartita: Zhang, 1993: 145.
Diagnosis. Cercus ventrally elongated, with a tuft of ca. 6 spines around ventral apex (Fig. 6C,D,F). Hypandrial caudolateral lobes unpubescent (Fig. 6I ̄K). Paramere broad, flat, apically pointed, gently curved ventrad, bowshaped in lateral view (Fig. 6K,L). Gonopods rounded around caudoventral corners, dorsomedially roundly concaved in lateral view (Fig. 6L).
Description (characters commonly seen in L. denticeps not repeated) (♂). Head (Pls 1D, 3̄5D, 7D): Frontal vitta yellowish brown to brown. Fronto-orbital yellowish brown. Ocellar triangle brown. Occiput brown, dorsally yellowish brown. Postgena yellowish brown, brown near occiput. Antennal 1 st flagellomere pale yellow; arista with 4 dorsal and 2 ventral branches. Supracervical setulae 13¯15 per side; postocular setae 13–16 per side. Clypeus brown. Cibarium with 25–28 medial and ca. 15 posterior sensilla per side. Prementum with 5 (1 proximal, 2 lateral, and 2 distal) pairs of setae.
Thorax (Pl. 1D): Postpronotal lobe anteriorly grayish. Mesonotum medially with 1 brown, longitudinal, caudally broadened stripe. Scutellum brown, laterally paler. Acrostichal setulae in ca. 6 irregular rows. Mid katepisternal seta distinctly longer than those below it.
Legs (Pl. 1D, Fig. 6A,B): Male foreleg with 1–2, 1–2, and 1 transverse sex-combs on 1st, 2nd, and 3rd tarsomeres, respectively; each transverse row consisting of 2–4 brown, not so thick teeth. Foreleg 1 st tarsomere slightly shorter than total length of 4 succeeding tarsomeres.
Abdomen (Pl. 1D): Tergites pale grayish brown, glossy, caudally without bands.
Male terminalia (Fig. 6C–L): Epandrium with ca. 24 long setae per side; ventral lobe apically not rounded. Cercus laterally strongly sclerotized, pubescent except for lateral margin, with ca. 19 long setae. Surstylus with a row of ca. 14 prensisetae on caudodorsal margin and ca. 34 recurved setae on ventral portion of inner surface. Aedeagus basally membranous, submedially to basally sheathed by gonopods; apodeme rod-shaped, not dilated apically, much shorter than aedeagus.
Measurements (in mm): BL = 2.32 (1♂), ThL = 1.00, WL = 2.80, WW = 1.14.
Indices: FW/HW = 0.53, ch/o = 0.14, prorb = 0.82, rcorb = 0.29, vb = 0.50, orbito = 0.50, dcl = 0.57, sctl = 1.40, sterno = 0.48, dcp = 0.57, sctlp = 1.25, C = 3.62, 4c = 0.62, 4v = 1.47, 5x = 1.63, ac = 2.00, M = 0.46, C3F = 0.45.
Specimen examined. CHINA: 1♂ (#06049), Mt. Duoxiongla, Linzhi, Xizang, 3,500–3,800 m a.s.l., 24.ix.2010, J.J. Gao (KIZ).
Distribution. Nepal, India (Uttarakhand), China * (Xizang).
description: Published as part of Katoh, Takehiro K., Zhang, Guang, Toda, Masanori J., Zhang, Wen-Xia & Gao, Jian-Jun, 2018, The Lordiphosa denticeps species group (Diptera: Drosophilidae) in China, with redescriptions of four known species and descriptions of nine new species, pp. 37-75 in Zootaxa 4471 (1) on pages 50-51, DOI: 10.11646/zootaxa.4471.1.2, http://zenodo.org/record/1439521