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 bilobata sp. nov. ( Figure 1C,D ; 2B ; 4 ) Diagnosis Medial, dark band much broadened and with one distinct, protruded part submedially ( Figure 2B ); paramere shallow split apically in lateral view ( Figure 4E ). Figure 4. Pseudostegana bilobata sp. nov. , male. (A) epandrium, cercus and surstylus; (B) surstylus; (C) cercus; (D,E) hypandrium, paramere, gonopods, aedeagus and aedeagal apodeme. For orientations and organizations see Figure 3. Scale bars: 0.1 mm. Description Only important characters are given here. Head. Ocellar triangle mostly brownish black, brown on lower a quarter. Frons brown. Pedicel greyish brown above, greyish yellow below; first flagellomere greyish yellow on inner one-third, dark brown on outer two-thirds. Face brownish black. Clypeus dark brown. Gena brown. Palpus brown and slender, rod-shaped in male. Thorax . Scutum yellow on anterior half, brown on posterior half. Pleura brown to black. Katepisternal setae two. Scutellum brown. Legs. Yellow, black on knee joints of mid- and hindlegs. Abdomen . Tergites glossy, yellow on first and second, dark brown on the rest. Sternites greyish yellow. Male terminalia. Epandrium roundly protruded on ventral margin, with about 23 setae ( Figure 4A ). Surstylus protruded on posteroventral corner ( Figure 4A,B ). Cercus ventrally round ( Figure 4A,B ). Aedeagus apically sclerotized, round in ventral view, pointed in lateral view ( Figure 4D,E ). Measurements BL = 2.87 mm in holotype , ThL = 1.44 mm , WL = 2.63 mm , WW = 1.16 mm , arb = 6/1, avd = 0.86, adf = 1.75, flw = 2.50, FW/HW = 0.39, ch/o = 0.08, prorb = 1.00, vb = 0.71, dcl = 0.22, sctl = damaged, sterno = 0.75, orbito = 0.58, dcp = 0.20, sctlp = 1.00, C = 2.04, 4c = 1.77, 4v = 3.30, 5x = 0.82, ac = 14.4, M = 0.69, C3F = 0.81. Type material Holotype male ( SCAU , No. 120554), China : Puer , Yunnan , 22°47′ N , 101°02′ E , altitude 1400 m , 18 September 2007 , swept over tussock, J.J. Gao. Etymology From the Latin words: bi - plus lobatus , referring to the paramere apically shallowly bifurcated. Distribution China ( Yunnan ).