Lispe caesia microchaeta Séguy, 1940

(Figs. 1 C; 2B; 3C; 4G, I,K; 10; 11; 30B; 31E, F)

Lispa caesia microchaeta Séguy, 1940: 342; Hennig, 1960: 424; Pont, 1986: 185; Xue & Zhang, 2005: 119; Zhang et al., 2005: 356

Lispe caesia caesia Meigen: Fan, 1992: 371; Xue & Chao, 1996: 995. [misidentified]

Material examined. 1 female, China: Xinjiang: Mt. Aerjin, 11.VIII.1988, Coll. X.Z. Zhang; 9 males and 2 females, China: Xinjiang: Altay City: Kalamaili Nature Reserve, 14–17.VIII.2009, Coll. D. Zhang; 11 males, China: Liaoning: Jingzhou, 9.VIII.2014, Coll. X.Y. Li. All deposited in MBFU.

Redescription. Male. Body length: 6.0– 6.5 mm. Head (Figs. 10 C, D, E): Eye bare, facet a little expanded on anterior margin in median part; frons broad in median part, becoming narrow anteriorly, median part about 0.32– 0.35 times of head-width; frontal vitta, frontal triangle and frontal-orbital plate with obvious boundary; frons, face, gena and antenna with silvery pollinosity; upper orbital setae 1, frontal setae 3 and with 1 row of short setae on outer part; parafacial bare, about as wide as postpedicel; facial ridge low, concave; antenna dark brown, postpedicel about 3.2–3.4 times as long as broad (1.6–1.8 times as long as pedicel), arista plumose, the longest setula equal to width of postpedicel; face planate, without facial carina; epistoma not projecting to vibrissal angle; vibrissa weak, shorter than length of distance between them; genal height about 1/7 of eye height; postocular setae 4 rows, posterior 2 rows situated in occiput; postgena with black setulae; proboscis short, labella small, with 2 prestomal teeth on posterior margin; prementum shinning; palpi yellow, compressed, becoming spoon-shaped apically, apical inner surface setulose and outer surface bare, outer surface with silvery pollinosity.

Thorax: Ground color black with dense silver grey pollinosity; acr 0+1 (thin); presutural 5 rows of acrostichal setulae; dc 2+3; ia 0+2, without pra; basal and apical scutellar setae all developed; scutellum bare on lateral surfaces and underneath; notopleuron bare; the median part of anepimeron with numerous bristles; prosternum, meron and katepimeron bare; spiracles brown, posterior one small and with 4 or 5 setae on posterior lower margin; katepisternal setae 1+2.

Wings: Slightly hyaline; veins becoming brown towards apex; tegula brown; basicosta and subcostal sclerite yellow; costal spine unobvious; vein C with ventral setulae; other veins bare; vein R4+5, M and crossvein dm-cu straight; calypteres white; haltere tawny; WIPs with color bands not entirely demarcated (blue, magenta, red and yellow) at posterior part of the wing, of which red band narrow (Figs. 31 E, F).

Legs: Black except knees yellow, with densely silver grey pollinosity; fore femur with 1 elongated pv row; fore tibia with 1 submedian pv; mid tibia with 1 submedian ad and 1 submedian pv; hind femur with 1 ad row, with 3 elongated v on apical half; hind tibia with 1 apical d; first hind tarsomere dictinctly swollen, becoming spindleshaped (Fig. 1 B), swollen part with close-set elongated ventral setulae (sword-shaped) (Fig. 30 B); swollen tarsomere shorter than the summed length of other tarsomeres; tarsi shorter than tibiae; claws and pulvilli small.

Abdomen: Ground color black, oval, with grey pollinosity; tergites silver grey, tergite 3 with small faint patches, tergite 4 dusted with large triangular brown patches on sides, tergite 5 with pair of large brown venteral patches (Fig. 10 B).

Female. Body length 6.4–6.6 mm. General characters as in male but differing from male in: frons about 0.31 times of head-width at median part; upper orbital setae 2; vibrissa developed; hind femur with 4 elongated setulae on venter; first hind tarsomere not swollen; tergite 4 with larger patches, tergite 5 without patches (Fig. 11 E), tergite 7 divided medially, fused with sternite 7; sternite 7 stongly sclerotized, with median lobe, sternite 8 absent. Distribution. China (Liaoning Xinjiang), Spanish Sahara.