Fannia
Creators: name: Domínguez, M. Cecilia
name: Aballay, Fernando H.
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Fanniidae
Fannia

description: Key to the species of Fannia of Southern South America (Argentina & Chile)
Males
(Male of F. pu s i l l a is unknown)
1 Hind coxa bare at apex of posterior surface................................................................. 2
- Hind coxa setulose at apex of posterior surface (Fig. 7)....................................................... 10
2 Antennae and palpi brown, dark grey or black, never yellow. Ground colour of body black to steely blue, with dark brown pruinosity or dark grey with light blue pruinosity. Fore-tarsomeres partially or totally white flattened and expanded (Fig. 8). Mid tarsomere 1 with a basal ventral crest, followed by a short strong seta............................................ 3
- Antennae and palpi yellow. Ground colour of body grey fore tarsomeres or yellow, never flattened and expanded. Mid tarsomere 1 lacking basal ventral crest.......................................................................... 8
3 Fore tarsomere 1 and 2 completely white, except for a black spot on fore tarsomere 1 at base, remaining tarsomeres black. Basal ventral crest and setae of mid tarsomere 1 short, shorter than width of tarsomere. Lacking ventral protuberance on F3, only with a preapical tuft of short and thin pv ............................................. .. F. anthracina (Walker)
- Fore tarsomeres 1 to 4 mostly or completely white or yellowish-white. Basal ventral crest and setae of mid tarsomere 1 longer than or as long as width of tarsomere. F3 with a medial or preapical ventral protuberance bearing dense tufts of v or pv (Fig. 9).................................................................................................... 4
4 Eyes densely setulose; pra short and stout. All fore tarsomeres flattened and expanded, completely yellowish-white. Ventral protuberance of F 3 in medial position. T3 preapically flattened and expanded, with numerous curled and flat av, and short, thin and dense preapical pv and p (Fig. 9)......................................................... F. schnusei Stein
- Eyes bare or weakly haired. pra longer and thin. Only some fore tarsomeres expanded and flattened, yellowish-white. Ventral protuberance of F3 situated in apical third. T3 without modifications in shape, with 2 to 3 av, lacking pv ................. 5
5 Calypteres white or yellow in outer margin................................................................. 6
- Calypteres brown in outer margin......................................................................... 7
6 Frons at narrowest point 2x width of anterior ocellus. Fore tarsomere 1 expanded at apex and lacking leaf-like spine, tarsom- eres 2 to 5 completely expanded and flattened. T2 with 2 ad and 2 pd. T3 with 2 to 3 ad. Scutum and abdomen dark, with a lit- tle thin even pale dust..................................................................... .. F. b i g o ti (Stein)
- Frons at narrowest point less than 2x width of anterior ocellus. Fore tarsomeres weakly flattened and expanded, fore tarsomere 1 with a broad leak-like spine at tip of posterior surface. T2 with 1 ad and 1 pd. T3 with 1 ad. Scutum with four light-grey dusted vittae and a broad prescutellar patch, abdomen wholly light grey dusted except for some triangulated markings on all tergites................................................................................. F. albitarsis Stein
7 T1 completely dark, 2x length of fore tarsomere 1; fore tarsi long and thin. T2 more or less straight, twice as long as mid tar- somere 1, with a long apical v. Hind femur with several strong av alongside tubercle................... F. setosa (Bigot)
- T1 yellow at tip, 4x length of fore tarsomere 1, the tarsomeres rather short and compressed. T2 bent at basal third, 4x length of mid tarsomere 1, with 1 short apical v. F3 with 1 to 2 av alongside protuberance.............. F. confusa Pont & Carvalho
8 Frontal vitta at narrowest point 1.5x width of anterior ocellus. Parafacial completely covered with short setae. Scutum lacking brown vittae. 1 pra dorsad spal, 0.33 length of same. Sternite 1 with numerous long setae. Cercal plate bearing very long and conspicuous setae, visible in ventral view................................................... F. flavicornis Stein
- Frontal vitta very narrow, reduced to a line (Fig. 10). Parafacial bare. Scutum with brown vittae. 2 pra near spal. Sternite 1 with few setae. Setae of cercal plate not visible in ventral view...................................................... 9
9 Hind femur with a very weak preapical protuberance on posteroventral surface, with a conspicuous tuft of setae that are slightly longer than femoral width (Fig.1)............................................... F. fusconotata (Rondani)
- Hind femur lacking preapical protuberance on posteroventral surface and its associated tuft of setae (Fig. 2).. F. puxcu sp. n.
10 T3 with 1 row of pv. Light grey in ground colour and light blue dusted..........................................11
- Lacking row of pv on T3. With other colouring............................................................. 12
11 C2 with 2 strong hooked setae laterad, and 1 strong vaguely hooked apical seta. T2 with a strong triangulated anteroventral crest on apical half. T3 with 3 to 4 pv in medial third......................................... F. scalaris (Fabricius)
- C2 lacking hooked setae. T2 without crest on apical half. T3 with 4 to 6 pv in medial third........ F. incisurata (Zetterstedt)
12 Abdomen trimaculated................................................................................ 13
- Abdomen with different colour pattern.................................................................... 17
13 Parafacial with setae..................................................................................14
- Parafacial bare.......................................................................................16
14 F3 lacking preapical posteroventral protuberance............................................. F. femoralis (Stein)
- F3 with preapical posteroventral protuberance.............................................................. 15
15 F3 not dorsoventrally flattened and with a weak preapical posteroventral protuberance, T3 with numerous long and hair-like rows of v........................................................................... F. pusio (Wiedemann)
- F3 dorsoventrally flattened and with a very strong preapical posteroventral protuberance (Fig. 11), T3 lacking numerous long and hair like rows of v ..................................................... F. yunguensis Quiroga & Domínguez
16 Eyes scarcely pilose. Two strong pra, near spal. T3 with a preapical protuberance only visible on posterior surface; 1 short row and a short hair-like subapical tuft of pv ................................................. F. punctiventris Malloch
- Eyes bare. Two pra, one very thin and short near the spal and the other stouter and longer, near the transverse suture. T3 lack- ing preapical protuberance, and bare on posteroventral surface.................................... F. flavipalpis Stein
17 Wing clear, abdomen yellow on lateral margins of tergites 1–3................................................. 19
- Wing smoky. Abdomen yellow on lateral margins of tergites or not............................................. 18
18 Abdomen completely black, with darker markings on central longitudinal line and apex of tergites. T3 with two d: one sub- medial and one apical................................................................................ 25
- Abdomen yellow on lateral margins of tergites. T3 only with 1 dorsal seta (the submedial), lacking subapical (Fig. 12)............................................................................... F. sanihue Dominguez & Aballay
19 Upper orb present.................................................................. F. canicularis (Linnaeus)
- Upper orb absent..................................................................................... 20
20 Parafacial with strong setae throughout. Thorax lacking vittae..................... F. petrocchiae Shannon & Del Ponte
- Parafacial lacking strong setae. Thorax with vittae..........................................................21
21 C3 with 4 to 5 long and stout setae at apex of posterior surface. Hypopygium protruding (Fig.7)................................................................................................... F. coxata Shannon & Del Ponte
- Apex of posterior surface of C3 lacking such setae. Hypopygium not protruding................................... 22
22 T2 with 1 truncate apical pd (Fig. 13). Hind tarsomere 1 expanded and flattened (Fig. 14)............ .. F. r o i g i Domínguez
- T2 never with truncate apical pd. Hind tarsomere 1 normal in shape............................................. 23
23 Scutum brown, lacking vittae along acr and dc lines.......................................... F. tumidifemur Stein
- Scutum brown with grey vittae along acr and dc lines........................................................ 24
24 F2 with 2 rows of pv hooked at base, forming a dense ctenidium of 4 to 5 rows in apical fourth..................................................................................................... F. tucumanensis Albuquerque
- F2 with 2 rows of hooked pv, lacking apical ctenidium.................................... F. heydenii (Wiedemann)
25 Body length 5 to 7 mm. Wings smoky, dark in upper half of the space between R1 and R 2+3 (Fig. 15). Halteres black. F3 with 1 row of very short pv, not visible in anterior view........................................................... 26
- Body length 3 to 4 mm. Wings smoky, clear in upper half of the space between R1 and R 2+3. F3 with 1 row of long and hairlike pv, visible in anterior view...................................................... F. losgateados Domínguez.
26 F3 with two complete rows of av, one long and the other short and hair-like. Surstylus with a lobate process bearing very short setulae in basal region............................................................... F. hermani Domínguez
- F3 with a single row of av. Surstylus lacking lobate processes at base............................ F. hirtifemur (Stein)
description: Published as part of Domínguez, M. Cecilia & Aballay, Fernando H., 2014, An updated key to the species of Fannia Robineau-Desvoidy (Diptera: Fanniidae) of Southern South America, and the description of a new species from Mendoza, Argentina, pp. 152-160 in Zootaxa 3795 (2) on pages 156-158, DOI: 10.11646/zootaxa.3795.2.4, http://zenodo.org/record/224804