Fannia imperatoria Nishida, 2002

Wang, Ming-Fu, Zhang, Dong, Zheng, Shuang & Zhang, Chun-Tian, 2009, A review of the carbonaria - subgroup of Fannia Robineau-Desvoidy (Diptera: Fanniidae), with descriptions of two new species from China, Zootaxa 2204, pp. 37-47 : 41-42

Fannia imperatoria Nishida, 2002

Figs. 4–6 .

Fannia imperatoria Nishida, 2002: 174 .

Fannia imperatoria Nishida : Wang et al., 2004: 136.

Description: Male: Body length 5.0 mm. Eye with sparse and short hairs, facets slightly enlarged on anterior margin in upper part; postocular setae longish on vertex; occipital setae in one row; fronto-orbital plate and parafacial with dense greyish-white pruinosity; the median part of frons slightly wider than antennal first flagellomere width, frontal vitta about as wide as fronto-orbital plate, frontal setae 9 or 10, nearly reaching ocellar triangle, the gaps filled with numerous fine setae, upper orbital setae absent; parafacial bare, about as wide as 3/4 of first flagellomere width in median part; antenna black, first flagellomere 2.5X longer than wide, arista ciliated, the longest hair shorter than width of arista at base; epistoma not projecting beyond vibrissal angle, vibrissal angle behind frontal angle in profile; gena and genal dilation with black hairs, upper margin of gena without upcurved setae; proboscis stout, labella large, prementum with grayish-yellow pruinosity, its length 1.5X longer than its width, palpus black, claviform, slightly longer than prementum. Thorax black in ground colour, notum with dense brown pruinosity, without stripes; presutural acr biserial, hair-like, prosutural acr triserial, only prescutellar pairs slightly stout, the distance between acr rows narrower than the distance between acr row and dc row, dc 2+3, ia 0+2, pra 1, about 2/3–3/4 of the length of posterior notopleural seta, notopleuron without seta; proepisternal setae 2, proepimeral seta 1, adjacent part with 5 fine hairs; basisternum, proepisternum, anepimeron, meron and katepimeron bare; katepisternal setae 1:1, katepisternum without ventral spines; spiracles brown; calypters yellowish, the lower one distinctly projecting beyond the upper one. Wing brownish; veins yellowish-brown, tegula black, basicosta brown, costal spine inconspicuous; vein Sc not curved bow-like; node of Rs bare on ventral and dorsal surfaces; veins R4+5 and M parallel to each other distally; vein R4+5 straight; crossveins without obvious cloud; haltere brownish-yellow. Legs entirely black, fore tibia without ad and median p, fore first tarsomere with 1 or 2 longish setae on ventral surface; mid coxa without any hooked spines or spine-like setae on lower and outer margins, mid femur with long and sparse av and pv rows in basal half, becoming gradually denser and shorter towards apex, av row comb-like in distal part, pv row biserial in median part, p row long and fine, mid tibia slightly swollen in distal half, with 2 ad, 2 pd and numerous slender hairs on ventral surface, the longest one slightly shorter than mid tibia width, mid first tarsomere without basal tooth-like spines on ventral surface; hind coxa bare on posterior surface, hind femur with short av row, the longest one about 1/2 of femoral width, 7 or 8 long av in distal half, a row long in basal 2/3, ad row complete, especially distal 6 or 7 long and stout, pv row conspicuous in basal 3/4, hind tibia with 2 av, 3 ad and 1 median d. Abdomen long, depressed and flattened, black in ground colour, slightly shining, with light grayish pruinosity; syntergite 1+2 to tergite 5 each with 1 median vitta; sternite 1 with 9 or 10 hairs.

Specimen examined: 1 male, China: Liaoning: Xifeng: Mt. Chengzi, 4.vi.1978, Coll. Z.Y. Ma.

Distribution: China (Liaoning), Japan (Honshu).

Figures

FIGURES 4 – 6. Fannia imperatoria Nishida, 2002. 1. Terminalia, ventral view. Scale bar = 0.25 mm. 2. Terminalia, lateral view. Scale bar = 0.25 mm. 3. Sternite 5. Scale bar = 0.40 mm.