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 ) saigusai sp. nov. ( Figures 42–48 ) Diagnosis Surstylus with five prensisetae submedially ( Figure 43 ). Aedeagus slightly broadened apically in ventral view, glabrous on surface ( Figures 45, 46 ). Figures 42–48. Stegana ( Steganina ) saigusai sp. nov. , Ƌ. (42) Epandrium, surstylus and cercus; (43) surstylus; (44) tenth sternite; (45, 46) hypandrium, aedeagus and aedeagal apodeme; (47, 48) gonopods. For orientation and organization see Figures 8–14. Scale bars: 0.1 mm. Description Male terminalia: epandrium slightly protruded ventrally ( Figure 42 ). Tenth sternite slightly broadened distally, deeply separated basally ( Figure 44 ). Paramere with ca. three sensilla ( Figures 45, 46 ). Dorsal projection of gonopods rod-like, strongly dorsad protruded in lateral view ( Figure 48 ). Measurements. BL = 2.69 mm in holotype ( 2.78 mm in / paratype ), ThL = 1.44 mm ( 1.52 mm ), WL = 2.47 mm ( 2.53 mm ), WW = 1.03 mm ( 1.06 mm ). Indices. arb = 10/6 (9/5); avd = damaged (0.77); adf = damaged (1.86); flw = 2.00 (1.86); FW/HW = 0.41 (0.42); ch/o = 0.14 (0.14); prorb = damaged (0.86); rcorb = damage (0.50); vb = 0.44 (0.47); dcl = 0.49 (0.49); sctl = damaged (damaged); sterno = damaged (0.74); orbito = 1.83 (1.80); dcp = 0.21 (0.22); sctlp = 1.82 (1.63); C = 2.16 (2.30); 4c = 1.10 (1.03); 4v = 1.72 (1.56); 5x = 1.30 (1.60); ac = 16.00 (16.50); M = 0.45 (0.50); C3F = 0.70 (0.71). Type material Holotype : Ƌ, Japan : Kumamoto , Kyushu , 32°37′ N , 130°51′ E , altitude 1100m , 17 August 2002 , HW Chen ( SCAU , No. 120317) . Paratype : one ♀ , same data as holotype ( SCAU , No. 120586) . Distribution Japan (Kyushu). Etymology Patronym, in honour of Prof. T. Saigusa (Kyushu University, Japan ).