The Stegana shirozui species group (Diptera, Drosophilidae) from East Asia Author Chen, Xi-Peng Author Gao, Jian-Jun Author Chen, Hong-Wei text Journal of Natural History 2009 2009-07-22 43 31 - 32 1909 1927 http://dx.doi.org/10.1080/00222930902996172 journal article 10.1080/00222930902996172 1464-5262 5216810 Stegana ( Steganina ) jianfenglingensis sp. nov. ( Figures 15–20 ) Diagnosis Paramere undistinguishable ( Figures 18, 19 ); aedeagal opening nearly quadrate in ventral view, apically without tentacle-like setae on posteromedian ( Figure 18 ). Description Male terminalia: epandrium slightly protruded ventrally ( Figure 15 ). Surstylus with six prensisetae submedially ( Figure 16 ). Tenth sternite broadened submedially, deeply separated basally ( Figure 17 ). Gonopods not protruded on dorsomedian in lateral view ( Figure 20 ). Measurements . BL = 2.87 mm in holotype (range in two Ƌ and one ♀ paratypes : 2.44–3.12 mm in Ƌ, 2.53 mm in ♀ ), ThL = 1.28 mm ( 1.42–1.86 mm in Ƌ, 1.48 mm in ♀ ), WL = 2.63 mm ( 2.47–3.22 mm in Ƌ, 2.94 mm in ♀ ), WW = 1.17 mm (1.00– 1.48 mm in Ƌ, 1.38 mm in ♀ ). Indices . arb = 10/6 (9–11/5–7); avd = 0.82 (0.83–0.85); adf = 1.57 (1.71–1.83); flw = 1.75 (1.75–1.88); FW/HW = 0.41 (0.42–0.45); ch/o = 0.13 (0.14–0.15); prorb = 1.20 (1.08–1.15); rcorb = 0.80 (0.83–0.88); vb = 0.41 (0.43–0.47); dcl = 0.44 (0.44–0.46); sctl = damaged (1.40–1.73); sterno = 0.85 (0.88–0.91); orbito = 1.80 (1.80–1.83); dcp = 0.23 (0.23–0.26); sctlp = 1.67 (1.45–1.75); C = 2.20 (2.06–2.21); 4c = 1.03 Figures 15–20. Stegana ( Steganina ) jianfenglingensis sp. nov. , Ƌ. (15) Epandrium, surstylus and cercus; (16) surstylus; (17) tenth sternite; (18, 19) hypandrium, aedeagus and aedeagal apodeme; (20) gonopods. For orientation and organization see Figures 8–14. Scale bars: 0.1 mm. (0.97–1.13); 4v = 1.48 (1.49–1.77); 5x = 1.40 (1.25–1.67); ac = 15 (13.67–14); M = 0.48 (0.44–0.50); C3F = 0.65 (0.65–0.78). Type material Holotype : Ƌ, China : Jianfengling , Ledong , Hainan , 18°41′ N , 108°52′ E , altitude 780 m , 16 May 2005 , MF Xu ( SCAU , No. 120329) . Paratypes : China : one Ƌ one ♀ , same data as holotype ( SCAU , No. 120330, 31); one Ƌ, Wuzhishan , Hainan , 20 April 2007 , T Li ( SCAU , No. 120332) . Distribution China ( Hainan ).