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 : 366-367

PHORTICA PINGUISETA CAO & CHEN SP. NOV.

( FIGS 4 , 18, 19 )

Material examined: Holotype male, CHINA: Weixi, Shangrila , Yunnan, 27.vii.2004, HW Chen ( SCAU, No. 120003).

Description: Male. Head: frons villiform black. Thorax: scutum and scutellum blackish, with dense silver-grey pollinose pattern. Legs: hind tibia with two black rings ( Fig. 4 ); distally with one row of about eight strong setae on anteroventral surface, most of which are shorter than tibiae width ( Fig. 4C ), basally with eight thin, long setae on posterior surface, these longer than 1.5 times the tibiae width ( Fig. 4D ), apically with one long seta ( Fig. 4B ). All fifth tarsomeres black, the rest grey-yellow. Male terminalia: epandrium much elongated ventral margin, covered with surstylus ( Fig. 18 ). Cercus with three strong setae ( Fig. 18 ). Surstylus with about seven prensisetae apically ( Fig. 18 ). Paramere with one process submedially, lacking sensilla; basal process with fine sawteeth ( Fig. 19 ).

Measurements: BL = 3.36 mm in holotype; ThL = 1.90 mm; WL = 3.25 mm; WW = 1.35 mm.

Indices: arb = 3/0, adf = 0.58, flw = 1.83, FW/HW = 0.50, ch/o = 0.14, prorb = 1.14, rcorb = 0.39, vb = 0.24, dcl = 0.54, presctl = 0.51, sctl = 1.08, sterno = 0.85, orbito = 1.73, dcp = 0.33, sctlp = 1.04, C = 2.63, 4c = 1.46, 4v = 2.80, 5x = 0.94, ac = 2.07, M = 0.68, C3F = 0.54.

Etymology: A combination of the Latin words pinguis and setea meaning strong setae, referring to the cercus with setae ventrally.

Distribution: China (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 18, 19. Phortica pinguiseta Cao & Chen sp. nov., male. 18, epandrium, surstylus, and cercus; 19, hypandrium, gonopods, paramere, aedeagus, and aedeagal apodeme. For abbreviations see Figs 14 and 15. Scale bars = 0.1 mm.