Heteronychia (Eupierretia) brachystylata Chao & Zhang, 1988b : 78

Zhang, Dong, Zhang, Ming, Li, Zijuan & Pape, Thomas, 2015, The Sarcophagidae (Insecta: Diptera) described by Chien-ming Chao and Xue-zhong Zhang, Zootaxa 3946 (4), pp. 451-509 : 497-500

Heteronychia (Eupierretia) brachystylata Chao & Zhang, 1988b: 78 . China, Xinjiang, Baicheng, Tailiekekoutan.

Originally included specimens: Described from thirty-three males.

Name-bearing type: Holotype ♂: Xinjiang, Baicheng/ Tailiekekoutan/ Chinese Academy of Sciences [white label in Chinese, in black print]// alt. 2300m / 1978. VI.8 / Collected by X.Z. Zhang [“alt. 2300m / 1978. VI.8 ” handwritten in black ink, remaining in black print, in Chinese]// HOLOTYPE [red label, in black print]// IOZ(E)1218529 [white label, in black print]// Heteronychia (Eupierretia) / brachystyleta / Chao et Zhang/ Identified by C.M. Chao [“Identified by C.M. Chao” in black print, in Chinese, remaining handwritten in black ink].

Holotype in fair condition, with terminalia extracted and fully visible.

Current identity: Sarcophaga (Heteronychia) plotnikovi Rohdendorf, 1925 , as revised by Whitmore (2011).

Additional type specimens: Paratypes 32♂♂: Xinjiang, Baicheng, alt. 2300–2700m, 15.V–8.VI.1978, Coll. by X.Z. Zhang. All specimens in NZMC.

Redescription of Male: Body length 6.0–10.0 mm ( Fig. 27 A). Eye bare, red. Fronto-orbital plate, parafacial and postocular strip black with silvery pollinosity; parafacial bristles in one row, parafacial 1.7× as broad as frontoorbital plate. Frontal vitta black, 1.25–2.00× as broad as fronto-orbital plate at the narrowest point; frons at vertex 0.24× head width ( Fig. 27 C); frontal row of 7–9 bristles; outer vertical bristle not differentiated from postocular bristles, upper orbital bristle one. Ocellar bristles directed anterior. Gena ground color black, with black bristles and silvery pollinosity, height 0.21–0.30× eye height in lateral view ( Fig. 27 E), postgena with white bristles. Antennal pedicel yellowish brown, first flagellomere brown, not reaching the level of vibrissal insertion, 1.4–2.0× as long as pedicel ( Fig. 27 C, D); arista long plumose in basal 3/5 ( Fig. 27 E). Palpus black, slightly expanded in distal part.

Thorax ground color black; scutum pollinosity silvery gray with three black dorsal vittae. Chaetotaxy: acrostichals 0+0, dorsocentrals 3+3, intra-alars 0+2, supra-alars 2, postpronotals 3, notopleurals 4 (among them 2 strong), scutellum with 1 apical, 1 subapical, 1 discal and 1 basal bristles. Pleuron with meropleurals 6; katepisternal bristles 1(2): 1, prosternum, metasternum and postalar wall with black bristles, proepisternum bare.

Wing hyaline ( Fig. 27 A, F); subcostal sclerite and basicosta yellow, bare; tegula black with black bristles; costal spine differentiated; vein R1 bare, two ventral bristles at node of R2+3-R4+5, vein R4+5 setose dorsally from junction of R2+3 halfway to crossvein r-m; lower calypter white.

Legs black; fore femur with one row of dorsal bristles (about 9), one row of ventral bristles (about 16) and one row of anterodorsal bristles (about 7), ventral and posterior margins with short bristles in basal part, fore tibia with one sub-median posterior and two anterodorsal bristles, and with short yellow bristles along anterior and ventral margins; mid femur with one apical posterior, two apical posterodorsal and two median anterior bristles, with short bristles along ventral margin, mid tibia with one sub-median ventral, one sub-median posterior, two posterodorsal and three anterodorsal bristles; hind femur with one row of anterodorsal bristles (about 10), with fine bristles along anteroventral and ventral margins, hind tibia with one row of anterodorsal bristles (among them 2 strong) and two posterodorsal bristles, and with elongated bristles along posteroventral margin.

Abdomen long oval with silvery gray pollinosity; tergites 1–4 with connected black stripe ( Fig. 27 F), tergite 4 with one pair of median marginal bristles, tergite 5 with complete row of marginal bristles, syntergosternite 7+8 yellowish black, epandrium orange ( Fig. 27 B). Terminalia see Fig. 27 B.

Figures

FIGURE 27. Heteronychia (Eupierretia) brachystylata Chao & Zhang, 1988 [= Sarcophaga (Heteronychia) plotnikovi Rohdendorf, 1925], male, holotype. A. Body, lateral view. B. Terminalia, lateral view. C. Head, anterior view. D. Head, anterolateral view. E. Head, lateral view. F. Body, dorsal view. G. Labels. Scales: A = 3.00 mm, B – F = 1.00 mm.