Phortica, 2009

He, Xiaofang, Gao, Jianjun, Cao, Huazhi, Zhang, Xiaolei & Chen, Hongwei, 2009, Taxonomy and molecular phylogeny of the Phortica hani species complex (Diptera: Drosophilidae), Zoological Journal of the Linnean Society 157 (2), pp. 359-372 : 368

PHORTICA LONGICAUDA CAO & CHEN SP. NOV.

( FIGS 6 , 11 , 22, 23 )

Material examined: Holotype male, CHINA: Maoniuhe, Danba , Sichuan, 15.ix.2005, H. W. Chen ( SCAU, No. 120007) . Paratypes: CHINA: three males, same data as holotype ( SCAU, Nos 120004-0006); one male, Wuliangshan, Jingdong , Yunnan, alt. 1900 m, 24°32′N, 101°01′E, 27.vii.2001, J. J. Gao ( KIZ) .

Description: Male. Head: frons almost black. Face almost brown. Thorax: black with silver-grey pollinose pattern. Scutellum orange-yellow medially, black along margin, yellow at tip. Legs: hind tibia with three black rings, lacking any long setae ( Fig. 6 ). All fifth tarsomeres black, the rest grey yellow. Male terminalia: epandrium elongated ventrally ( Fig. 22 ). Cercus with three long setae ( Fig. 22 ). Surstylus with one prensiseta apically ( Fig. 22 ). Paramere submedially with two small processes and two sensilla; basal process lacking fine sawteeth ( Fig. 23 ).

Measurements: BL = 3.55 mm (range in four male paratypes: 3.55–3.70); ThL = 1.75 mm (1.75– 1.80); WL = 3.40 mm (3.30–3.45); WW = 1.50 mm (1.45–1.50).

Indices: arb = 5/0 (4/0–6/0), adf = 0.67 (0.46–0.75), flw = 1.75 (1.47–1.92), FW/HW = 0.54 (0.51– 0.52), ch/o = 0.12 (0.11–0.14), prorb = 1.16 (1.07–1.29), rcorb = 0.45 (0.40–0.50), vb = 0.36 (0.33–0.50), dcl = 0.55 (0.48–0.62), presctl = 0.48 (0.45–0.55), sctl = 1.05 (1.05–1.09), sterno = 0.86 (0.82–0.88), orbito = 1.80 (1.46–1.55), dcp = 0.233 (0.25–0.31), sctlp = 1.14 (0.83–1.04), C = 2.81 (2.77–3.04), 4c = 1.22 (1.17– 1.28), 4v = 2.34 (2.31–2.78), 5x = 0.82 (0.69–1.00), ac = 1.91 (1.80–2.02), M = 0.59 (0.49–0.67), C3F = 0.45 (0.51–0.56).

Etymology: A combination of the Latin words: longus and cauda, referring to the elongated cercus.

Distribution: China (Sichuan, Yunnan).

Figures

Figures 1–6. Hindlegs of male. For details of the parts denoted by letters a–e see the descriptions of individual species.

Figures 7–12. Fifth sternites of male: 7, Phortica hani Zhang & Shi; 8, Phortica floccipes Cao & Chen sp. nov.; 9, Phortica hirtotibia Cao & Chen sp. nov.; 10, Phortica panda Cao & Chen sp. nov.; 11, Phortica longicauda Cao & Chen sp. nov.; 12, Phortica longiseta Cao & Chen sp. nov. The scale bars = 0.1 mm.

Figures 22, 23. Phortica longicauda Cao & Chen sp. nov., male. 22, epandrium, surstylus, and cercus; 23, hypan- drium, gonopods, paramere, aedeagus, and aedeagal apodeme. For abbreviations see Figs 14 and 15. Scale bars = 0.1 mm.