Six new species of the genus Pseudostegana (Diptera: Drosophilidae) from the Oriental region Author Li, Tong Author Gao, Jianjun Author Chen, Hongwei text Journal of Natural History 2010 2010-05-24 44 23 - 24 1401 1418 http://dx.doi.org/10.1080/00222931003679584 journal article 10.1080/00222931003679584 1464-5262 5209709 Pseudostegana bipartita sp. nov. ( Figures 1E,F ; 2C ; 5A–E ) Diagnosis Paramere distally deeply bifurcated, with one small projection in ventral view ( Figure 5C,D ); aedeagus apically roundly expanded ( Figure 5C,D ). Description Only important characters are described here. Head. Ocellar triangle black on upper two-thirds, brown on lower one-third. Frons brownish yellow. Pedicel yellow; first flagellomere greyish black. Face mostly brown. Clypeus dark brown. Gena brown. Palpus brownish black, broad and large in male. Thorax. Scutum yellow to yellowish brown. Pleura dark brown to black, broadened in male, medially half as wide as long. Katepisternal setae two. Scutellum brownish yellow. Legs. Yellow. Abdomen . Tergites glossy black, except for first and second orange yellow medially. Sternites, first and second yellow, but others dark brown. Figure 5. Pseudostegana bipartita sp. nov. , male. (A) epandrium, cercus and surstylus; (B) cercus; (C,D) hypandrium, paramere, gonopods, aedeagus and aedeagal apodeme. For orientations and organizations see Figure 3. Scale bars: 0.1 mm. Male terminalia. Epandrium slightly roundly protruded on ventral margin, with about 11 setae ( Figure 5A ). Surstylus protruded on antero- and posteroventral corners, with two setae subbasally ( Figure 5A ). Cercus ventrally round ( Figure 5A,B ). Basal process of aedeagus slender, apically slightly bifurcated ( Figure 5C,D ). Measurements BL = damaged, ThL = damaged, WL = 2.10 mm , WW = 0.97 mm , arb = 6/1, avd = 0.78, adf = 2.25, flw = 3.00, FW/HW = 0.41, ch/o = 0.08, prorb = 1.00, vb = 0.50, dcl = damaged, sctl = damaged, sterno = damaged, orbito = 0.50, dcp = damaged, sctlp = damaged, C = 1.29, 4c = 2.18, 4v = 3.40, 5x = 0.87, ac = 14.8, M = 0.64, C3F = 0.70. Type material Holotype male ( MZB ), Indonesia : Padang-Kotagoding , West Sumatra , 0°59′ N , 100°22′ E , altitude 200 m , 4 January 2004 , M.J. Toda. Etymology A combination of the Latin words: bi plus partitus , referring to the paramere deeply bifurcated apically. Distribution Indonesia ( West Sumatra ).