Stegana (Steganina) pianmaensis Chen & Chen, 2012, sp. nov

Stegana (Steganina) pianmaensis sp. nov. (Figs 45���50) Diagnosis. This species is related to S. danbaensis sp. nov. in the male terminalia, but in this species: 10 th sternite slightly protruded apicolaterally (Fig. 47); aedeagus lacking serrated, minute processes on dorsal surfaces (Fig. 49). Description. Male terminalia: Epandrium roundly protruded ventrally (Fig. 45). Cercus lacking pubescence (Fig. 45). Surstylus with 8 prensisetae submedially (Fig. 46). Tenth sternite broadened, slightly protruded apico- and basolaterally (Fig. 47). Paramere with ca. 5, 6 sensilla (Figs 48, 49). Aedeagus with globular projections bearing finely serrated processes basally (Figs 48, 49), nearly heart-shaped on opening in ventral view, protruded apically (Fig. 48). Gonopods broadly round apically, not protruded dorsomedially (Fig. 50). Measurements. BL = 2.89 mm in holotype (2.93 mm in 1 �� paratype), ThL = 1.76 mm (1.89 mm), WL = 3.48 mm (3.50 mm), WW = 1.48 mm (1.53 mm), arb = 8 / 6 (8 / 5���6), avd = 0.70 (0.83), adf = 1.43 (1.49), flw = 1.86 (1.86), FW/HW = 0.41 (0.43), ch/o = 0.16 (0.16), prorb = 0.90 (0.84), rcorb = 0.67 (0.65), vb = 0.40 (0.43), dcl = 0.45 (0.46), presctl = 0.50 (0.50), sctl = 1.38 (1.39), sterno = 0.88 (0.88), orbito = 1.80 (1.80), dcp = 0.26 (0.25), sctlp = 2.30 (2.20), C = 2.07 (2.17), 4 c = 1.11 (1.02), 4 v = 1.86 (1.66), 5 x = 1.46 (1.57), ac = 10.25 (10.50), M = 0.51 (0.54), C 3 F = 0.79 (0.68). Type material. Holotype 3 (SCAU, No. 120776), CHINA: Pianma, Baoshan, Yunnan, 26 ˚01���N, 98 ˚ 37 ���E, 1700 m, 12.viii. 2001, HW Chen. Paratype: CHINA: 1 �� (SCAU, No. 120777), same data as holotype. Distribution. China (Yunnan). Etymology. In reference to the type locality.
Published as part of Chen, Xi-Peng & Chen, Hong-Wei, 2012, Ten new species of the Stegana (Steganina) shirozui species group (Diptera, Drosophilidae) from China, pp. 24-37 in Zootaxa 3333 on page 32, DOI: 10.5281/zenodo.215439