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- Fannia stigi Rognes, 1982: 325–329.
- Fannia tigripeda Xue, Wang and Li 2001: 225–226; Wang and Xue 2002: 57; Su and Wang 2004: 112. syn. nov.
MALE. Body length 4.5–5.0 mm. Eye bare, facets slightly enlarged on anterior margin in upper part; fronto-orbital plate with dark cupreous pruinosity; the median part of frons about 2.5 as wide as anterior ocellus, slightly narrower than postpedicel, frontal vitta black, linear at middle, frontal setae 8 or 9, nearly reaching ocellar triangle; parafacial with silvery-grey pruinosity, slightly narrower than 1/3 of postpedicel width at middle; antenna black, postpedicel about 2.5 times as long as wide, arista distinctly swollen at base, the longest hairs slightly shorter than aristal base; gena and genal dilation with black hairs; genal height about 1/10 of eye height; proboscis short, labella large, the length of prementum 2.5 times as long as its width, palpus black, slightly longer than prementum. Thorax ground-colour black, with thin grey pruinosity, slightly shining, scutum without distinct stripe; presutural acr biserial, only prescutellar pairs slightly stout, the distance between two acr rows slightly narrower than the distance between acr row and dc row, dc 2+3, ia 0+2, pra 2, the anterior one about 1/2 the length of posterior notopleural seta, notopleuron without setulae; basisternum, proepisternum, anepimeron, meron and katepimeron bare; katepisternal setae 1:1; spiracles brownish; calypters brownish, lower one not projecting beyond upper one. Wing brownish; tegula black, basicosta brown, costal spine inconspicuous; vein Sc curved bow-like; node of Rs bare on ventral and dorsal surfaces; vein R4+5 straight, veins R4+5 and M parallel to each other distally; crossveins without obvious cloud; haltere dark brown. Legs entirely black; fore tibia without median p; mid femur concave at apex on ventral surface, with comb-like av row, becoming shorter towards apex, pv row distinct in basal 2/3, 1 short and erect pv row in subapical part, with 1 complete p row, among which subapical 2 stout, mid tibia distinctly swollen in distal half, with 1 ad and 1 pd in submedian part, with numerous hairs on ventral surface, the longest ones slightly longer than mid tibia width, mid first tarsomere with tooth-like basal process on ventral surface; hind coxa bare on posterior surface, hind femur with 1 short subapical av, 4 or 5 long pv in distal 1/3, hind tibia with 1 av, 1 ad and 1 d in submedian part. Abdomen long, depressed and flattened, ground-colour black, with brownish-grey pollinosity; syntergite 1+2 to tergite 5 each with a black stripe on middle; sternite 1 with short setae on each lateral margin.
Rognes (1982) described Fannia stigi as new to science from Norway and Sweden, and also provided detailed description and high-quality illustrations. When re-examined the holotype of Fannia tigripeda, we found its morphological characters, especially the male terminalia, is similar with Fannia stigi. Whereas, we have not studied the types of Fannia stigi, but it is clear from Rognes’s notes and figures on stigi that our tigripeda is actually his stigi. An anonymous reviewer also pointed out the possible synonymy of Fannia stigi and Fannia tigripeda. We confident that Fannia tigripeda is a new junior synonym for Fannia stigi.
China (Shanxi, Jilin), Norway, Sweden.
- Wang, M; Li, K; Zhang, D; 2011: Taxonomic review of the postica-group of Fannia Robineau-Desvoidy (Diptera, Fanniidae) from China, with the description of one new species ZooKeys, 112: 1-19. doi
- Wang M, Xue W (2002) Taxonomic study on Fanniidae of China (Diptera: Cyclorrhapha). In: Li D Kang L Wu J (Eds) Innovation and Development in Entomology. Science and Technology Press of China, Beijing, 54–59.
- Su L, Wang M (2004) Studies on classification of the genus Fannia in China (Diptera: Fanniidae). Chinese Journal of Vector Biology and Control 15 (2):110-112.
- Rognes K (1982) Fannia stigi n. sp. from Scandinavia (Diprera: Fanniidae). Entomologica Scandinavica 13:325-330.