Trichosiopsis ironica
Ordo: Diptera
Familia: Sciaridae
Genus: Trichosiopsis
Name
Trichosiopsis ironica Rudzinski, 2005 – Wikispecies link – ZooBank link
- Leptosciarella (Leptosciarella) ironica Rudzinski, 2005[1]: 263-264, figs 41, 42
Type material
Holotype: ♂, in NCHU, 08.07.2000, leg. W. Schacht, TAI 44
Type locality
Taiwan, Kaohsiung County, Jungyang Mts, Tengir Endemic Spec. Res. Inst., Mt. Chinan, ca. 23°05'N / 120°48'E, 2300-2650m
Papatypes
Taiwan: 2 ♂, same data as holotype TAI 45 (in ZSMC)
Description (male)
Head. Eye bridge 4 rows of facets. LW-index of 4th antennal flagellar segment 2.55–2.7; neck 0.3–0.4 of segment width; Transition of basal part to neck pronounced. Colour of neck unicolour. Antennal hairs shorter than segment width; sparse; salient. Palps darkened; normal; palpomeres 3. First palpomere of normal shape; with 4–6 bristles; with only some sparse sensillae. Second palpomere elongate. Third palpomere as long as first segment. Thorax. Colour brown, or reddish. Notum unicolour. Thoracic setae normal; dark, or darkened. Mesonotum with some weaker central bristles. Posterior pronotum bare. Mesothoracic sclerites bare. Legs. Colour yellow. Hind coxae of same colour as femora. Hairs on fore coxae black. Front tibia apically with a patch of setae. Front tibial organ dark. Front tibial organ not bordered. Tibial setae on hind legs weak, inconspicuous. 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, or inserting clearly before base of m-fork; posterior veins with macrotrichia; stM bare; cuA1 and cuA2 mainly with macrotrichia; bM bare; r-m with a few setae; bM:r-M 0.6–0.75; st-Cu:bM 0.55–0.7; r1:r 1.02–1.3; C:w 0.67–0.75. Halteres dark; of normal length. Abdomen. Abdominal setae strong and dense; dorsally dark; ventrally dark. Hypopygium concolour with abdomen, or bicolour; 0.58–0.68 × longer than wide. Base of gonocoxites with normal, weak hairs; gonocoxites forming an inverse V; inner margin of gonocoxites normally U-shaped; inner membrane of hypopygium scarcely setose; elongated setae on valves of hypopygium absent. Gonostylus elongate; 2.5–2.7 × longer than wide; Inner margin straight, or concave; apex tapered. Apical tooth present; 1.8–2.2 × longer than broad; strong. Awl-like setae normal; on inner side of gonostyles absent. Megasetae on inner part of gonostylus absent. Whiplash-hair absent. Tegmen 0.7–0.85 × longer than broad; rectangular with rounded edges; normal; Central process absent. Length of aedeagus/hypopygium 21–31 %; Aeadeagal apical structure present. Measurements. Body size 3.6–4.1 mm. Hind tibia 1.6–1.75 mm. Wing length 3.4–3.9 mm.
Diagnosis
Trichosiopsis ironica is most similar to Trichosiopsis perturbata by the reddish body colour and the exceptionally strong setae on the antennae and the gonostyli, the long abdominal hairs and by the shape of the gonostyles. Tr. ironica can be distinguished by the darker body and the less prolongated awl-like setae dorsally of the apical tooth at the gonostyles. The gonostylus of both species is similar to Trichosiopsis juniperi which instead has a longer and more slender apical tooth with no awl-like setae beneath.
Discussion
This species may belong together with Tr. perturbata to a separate subgroup of Trichosiopsis possibly with oriental distribution. For futher discussion see under Tr. perturbata
Etymology
lat. ironicus = ironic
Distribution
Taiwan[1].
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