Fannia lepida ( Wiedemann, 1817 )

Zhang, Dong, Wang, Jing, Wang, Ming-Fu & Li, Kai, 2011, Taxonomic review of the lepida - group of Fannia R. - D. (Diptera: Fanniidae), Zootaxa 2803, pp. 57-62 : 61-62

Fannia lepida ( Wiedemann, 1817)

(Figs. 7–9)

Anthomyia lepida Wiedemann, 1817: 82 . Type locality: Germany, Kiel.

Aricia mutica Zetterstedt, 1845: 1580 .

Fannia lepida (Wiedemann) : Pont, 1986: 49; Rozkošný et al., 1997: 26; Xue & Wang, 1998: 817; Wang & Xue, 2002: 56.

Redescription. Male: Body length 4.90–5.05 mm. Eye bare, facets slightly enlarged on anterior margin in upper part; postocular setae in one row, irregular in length; occipital setae behind the postocular setae on vertex in one shorter row; fronto-orbital plate and parafacial with dense greyish-silvery pruinosity; frons about 1.5 times as wide as anterior ocellus, about 3/5 of the width of postpedicel; frontal vitta black, linear in the middle; frontal setae 9 or 10, situated on the lower 4/5 of frontal vitta, some short setae between them; orbital setae absent; parafacial bare, about 1/2 the width of postpedicel at middle; antenna black; postpedicel about 2.2 times as long as wide; arista bare; epistoma not projecting to vibrissal angle; vibrissal angle behind frontal angle in profile; subvibrissal setulae in one row, outside with one short row of setae; gena with greyish-brown pruinosity; gena and genal dilation with black hairs; upper margin of gena without upcurved setae; prementum with greyish-yellow pruinosity, its length about 2.5 times as long as its width; palpus black, stick-like, slightly longer than the length of prementum. Thorax black in ground-colour; scutum with dark brown pruinosity, without distinct vitta; presutural acr biserial; postsutural acr triserial, only prescutellar pairs strong, the distance between the two outer acr rows narrower than the distance between acr row and dc row; dc 2+3; ia 0+2; pra 2, about 3/5 the length of posterior notopleural seta; notopleuron without setulae; basisternum, proepisternum, anepimeron, meron and katepimeron bare; katepisternal setae 1+1; katepisternum without ventral spines; anterior spiracle yellowish, posterior one brown; calypters yellow, the lower one projecting beyond the upper one. Wing brownish; veins brown; tegula black; basicosta brownish-yellow; costal spine inconspicuous; node of Rs bare on ventral and dorsal surfaces; veins R4+5 and M conspicuously close to each other distally; vein R4+5 straight; crossveins without obvious cloud; halter yellow. Legs entirely black; fore coxa without anterior spines on ventral surface; fore femur with complete pd and pv rows; fore tibia without ad and median p; mid coxa without any hooked spines or spine-like setae on lower and outer margins; mid femur with stout av row on basal 2/3, towards apex with a gap, comb-like on distal 1/4; pv row complete, long and sparse on basal part, towards apex slightly shorter; p row complete; mid tibia slightly swollen at distal half, with 1 ad, 1 pd and numerous slender hairs on ventral surface, the longest one about equal to mid tibial width; mid first tarsomere without basal tooth-like spines on ventral surface; hind coxa with 2 long setulae on posterior surface; hind femur with 2 long av on distal 1/3, 3 or 4 stout ad on distal 1/3, without pv; hind tibia with 1 av, 13–15 ad in one row, irregular in length, 1 median d and 10 p in one row. Abdomen oval, depressed and flattened, black in groundcolour, with dense bluish-grey pruinosity; syntergite 1+2 to tergite 4 each with 1 broad median inverted triangular vitta; tergite 5 with 1 narrow median vitta; sternite 1 bare.

Female: Not known from China (female described in Chillcott, 1961a: 81).

Material examined. CHINA: Shanxi: Hunyuan: 1 male, 14.vii.1985, M.F. Wang col., 1 male, 8.vi.1986, M.F. Wang col.; Shanxi: Qinshui: Xiachuan, 1 male, 16.vi.1991, M.F. Wang col.; Sichuan: Mt. Balang, alt. 4300–4600m, 1 male, 3.viii.2005, M.F. Wang col.; Jilin: Mt. Changbai: Songjianghe to Changbai, alt. 1000–1965m, 1 male, 28– 30.vii.2008, C.T. Zhang col.

Distribution. China (Jilin, Shanxi, Sichuan), Japan, common throughout Europe ( Norway, Sweden, Finland, Ireland, Great Britain, Holand, Belgium, Luxemburg, Germany, Poland, Russia, Switzerland, Austria, Hungary, Romania, Portugal, Spain, Italy, Albania, and Bulgaria), North Africa ( Algeria); and Nearctic Region ( USA and Canada).