Trichosiopsis ignis
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BibTeX: @article{Heller2012VeröffentlichungendesMuseumsfürNaturkundeChemnitz35, RIS/ Endnote: TY - JOUR Wikipedia/ Citizendium: <ref name="Heller2012Veröffentlichungen des Museums für Naturkunde Chemnitz35">{{Citation |
Ordo: Diptera
Familia: Sciaridae
Genus: Trichosiopsis
Name
Trichosiopsis ignis (Heller, 2012) – Wikispecies link – ZooBank link
- Leptosciarella (Leptosciarella) ignis Heller, 2012[1]: 95-97, fig. 2
Type material
Holotype ♂, no 2804 in SDEI, sweep netting, leg. K. Heller, 02.06.1999
Type locality
Germany, Bavaria, Ramsau, Stubenalm, 1000 m
Paratypes
Austria: 1 ♂ 1 ♀, Styria, Admont, Strobl, no date, MTD 1019 [as Leptosciarella juniperi in Mohrig & Menzel 1997[2]: 75]; Czech Republic 1 ♂, Moravia, "Schneeberg" [= mountain Snesnik], Loew, Juli 1855, SDEI 177 and 8505 [as Leptosciarella juniperi in Mohrig & Menzel 1997[2]: 75]; Germany: 1 ♂, Bavaria, same data as holotype, PKHH 2808; Finnland: 1 ♂, Pihlajakuou (?), Salmela, 02.08.2004, MZH 9245; 1 ♂, Lk, Pallas National Park, Penttinen, 2006, MZH 9244; 3 ♂, Lk, Yllästunturi, Kolari-4, Mannikko jaksol, Yakovlev & Penttinen, no date, MZH 9241-9243; 1 ♂, Ta, Urjala, Kivijäri Nature Reserve, grove 6770:308, Malaisefalle, Salmela, 03.06.-06.07.2003, MZH 9168 [as Leptosciarella juniperi in Vilkamaa et al. 2007[3]: 227, 228]; Sweden: 1 ♂, Ångermanland, Skuleskogen National Park, Langra: brook ravine inmixed forest, Malaise trap, Swedish Malaise Trap Project, 24.7.-12.09.2005, NHRS 3720; 23 ♂, Härjedalen, Nyvallen, Nyvallens fäbod: alpine forest with birch and spruce, Malaise trap, Swedish Malaise Trap Project, 4.7.-04.08.2004, PKHH 6056/6641/6648/6649, NHRS 1775-1778/2868/2869/ 3274-3275/3400-3403/4646/4826/5201/5202, PWMP 1595; 4 ♂, Jämtland, Horten, hill, dried swamp forest (spruce, birch), sweep netting, Jaschhof & Jaschhof, 04.07.2005, SDEI 2360-2363; 3 ♂, Östergötland, Omberg, Storpissan: old spruce forest, Malaise trap, Swedish Malaise Trap Project, 28.5.-05.07.2005, PKHH 6583/6587, NHRS 2042; 3 ♂, Pite lappmark, Arjeplog, Sädvajaure lake (northern end); subalpine birch forest, sweep netting, Jaschhof & Jaschhof, 06.07.2005, SDEI 2366-2368; 2 ♂, 7.7.-12.08.2005, PKHH 5856, NHRS 982; 2 ♂, Södermannland, Tyresta Nationalpark, S Bylsjön, dry forest (spruce, pine, birch), sweep netting, Jaschhof, 08.05.2004, SDEI 2364-2365; 1 ♂, Uppland, Biskops-Arnö, northern beach, elm grove, Malaise trap, Swedish Malaise Trap Project, 20.6.-18.07.2005, PKHH 7390; 6 ♂ 4 ♀, Västerbotten, Skellefteå, Brännbergets naturreservat, mixed boreal forest, Malaisefalle, Swedish Malaise Trap Project, 21.7.-12.08.2004, PKHH 7291, 7293, NHRS 3016-3018, ZSMC 2511-2514, PASS 234; 1 ♂, Vilhemina, Iliden, 64°59' N 16°36' E, dried swamp forest (spruce, birch), Jaschhof, 05.07.2005, SDEI 2369.
Further material studied
Germany: 1 ♂, Bavaria, Ruhpolding, Rauschberg, mixed forest, sweep netting, Heller, 26.06.2012, ZFMK-TIS-11972. For DNA-Analyis by GBOL (German Barcode of Life); 1 ♂, Mittenwald, Karwendel mountains [as Leptosciarella pilosa (part.) in Rudzinski 2006[4]: 445].
Description (male)
Head. Eye bridge 4–5 rows of facets. LW-index of 4th antennal flagellar segment 2.4–2.9; neck 0.27–0.3 of segment width; Transition of basal part to neck pronounced. Colour of neck unicolour. Antennal hairs shorter than segment width; salient. Palps darkened; normal or slightly thickened; palpomeres 3. First palpomere of normal shape; with 2–5 bristles; with only some sparse sensillae, or with delimited sensillary field. Second palpomere shortly oval. Third palpomere as long as first segment. Thorax. Colour reddish, or bicolour. Notum partially brightened. Thoracic setae long and strong; dark. Mesonotum with some weaker central bristles. Posterior pronotum setose. Postpronotal setae 2–5; strong. Laterotergite bare. Legs. Colour yellow. Hind coxae of same colour as femora. Hairs on fore coxae darkened, or bright. Front tibia apically with a patch of setae. Front tibial organ dark. Front tibial organ not bordered. Tibial setae on hind legs normal, shorter than tibial width. Tibial spurs of equal length. Claws untoothed. Wings. Wings slightly darkened; of normal shape. Wing membrane without macrotrichia. Wing venation weak, with faint m-base. M-fork of normal shape. R1 inserting at or slightly before base of m-fork; posterior veins with macrotrichia; stM mainly with macrotrichia; cuA1 and cuA2 mainly with macrotrichia; bM bare; r-m mostly setose; bM:r-M 0.45–0.65; st-Cu:bM 0.85–1.1; r1:r 1.25–1.5; C:w 0.65–0.8. Halteres dark; of normal length. Abdomen. Abdominal setae strong and dense; dorsally dark; ventrally dark. Hypopygium concolour with abdomen; 0.55–0.65 × longer than wide. Base of gonocoxites with normal, weak hairs, or with strong setae; gonocoxites broadly separated; inner margin of gonocoxites normally U-shaped, or broadly extended; inner part of hypopygium scarcely setose; elongated setae on valves of hypopygium absent. Gonostylus elongate; 2.8–3 × longer than wide; Inner margin straight, or concave; apex tapered, or equally rounded. Apical tooth present; 2.2–2.5 × longer than broad; strong, or normal. Awl-like setae normal; on inner side of gonostyles present apically, or numerous, reaching far beyond the tooth. Megasetae on inner part of gonostylus absent. Whiplash-hair absent. Tegmen 0.5–0.7 × longer than broad; rectangular with rounded edges; with dark and strengthended edges; Central process absent. Length of aedeagus/hypopygium 22–25 %; Aeadeagal apical structure absent. Measurements. Body size 2.6–3.1 mm. Hind tibia 1.8–1.95 mm. Wing length 3.3–3.7 mm.
Diagnosis
Trichosiopsis ignis is peculiar by the intensively yellow legs and the gonostyles with strong awl-like spines, which are reaching far downwards on the inner side. The gonocoxites often are shorter and broader than in other species. The name giving reddish brightened lateral part of the thorax is also quite distinctive. The first palp segement of Le. ignis often shows a quite distinct sensillary field, which is unusual for the genus. In contrast to most other species of the pilosa-complex of species the gonostyles are not apically rounded, as for example in Trichosiopsis pilosa and Trichosiopsis zanti, but nearly equally tapered like in Trichosiopsis yerburyi and Trichosiopsis juniperi. For that reason the species has earlier been identified as Tr. juniperi, which instead has still more strongly tapered gonostyles with more scattered awl-like spines apically. Those spines are reaching downwards on the inner side in both species, but in Tr. juniperi they are not as strong as in Tr. ignis. The distinction from Tr. yerburyi is possible by the smaller size, the brighter legs and the not conspicuously dark bristles at the fore coxae.
DNA Barcoding
The COI sequence is assigned to BIN BOLD:ACM3716 (average distance 0.32%, max. 1.77%, n=17, K2P: 9.6%).
Etymology
lat. ignis = fire; referring to the reddish colour of the thorax sides.
Distribution
Austria, Czech Republic, Finland, Germany, Norway[5], Sweden.
Images
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References
- ↑ Heller, K. 2012: Fünf neue europäische Arten von Trauermücken (Diptera, Sciaridae) aus dem Artenkreis um Leptosciarella pilosa. Veröffentlichungen des Museums für Naturkunde Chemnitz, 35, 91–102.
- ↑ 2.0 2.1 Mohrig, W.; Menzel, F. 1997: Revision der paläarktischen Arten von Trichosia Winnertz sensu Tuomikoski, 1960 (Diptera, Sciaridae). – Teil II. Gattungen Leptosciarella Tuomikoski, 1960 und Trichodapus gen. nov. Studia dipterologica, 4(1), 41–98.
- ↑ Vilkamaa, P.; Salmela, J.; Hippa, H. 2007: Black fungus-gnats in deciduous forest habitat in northern Europe, with the description of Bradysia arcula sp. n. (Diptera: Sciaridae). Entomologica Fennica, 18(4), 226-231.
- ↑ Rudzinski, H.-G. 2006: Neue Trauermücken-Arten aus Bayern und eine erweiterte Bestandsaufnahme der aus Bayern bekannten Arten (Diptera: Sciaridae). Entomofauna, 27, 433-447.
- ↑ GBIF Trichosiopsis ignis
