Trichocoelina jukkai Vilkamaa & Menzel 2019, sp. n.

• Main Authors: Vilkamaa, Pekka, Menzel, Frank
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2019
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Sciaridae; Trichocoelina; Trichocoelina jukkai; Lapponia; Tromsø; Utsjoki; Troms
• Online Access: https://doi.org/10.5281/zenodo.4340464; http://treatment.plazi.org/id/A703878CA96FFF9BFF26F9AD9B6D0ECE

Trichocoelina jukkai sp. n. Figs 8 B, 9 D, 18 D Material studied . Holotype male . FINLAND, Li (Lapponia inarensis), Utsjoki, Pummankijoki (grid 7759292:539670), sandy shore, pitfall trap, 13.VI–13.VII.2016, J. Salmela (in MZH). Paratypes . FINLAND, same data as holotype, 10 males (6 in MZH, 2 in SDEI, 2 in PJSR); NORWAY, Troms, Tromsø, Nakkedalen, 300 m S of Estengammen, 69.612°N, 19.592°E, 150 m, Malaise trap, 16–19.VII.2012, T.E. Barstad, 2 males (BOLD Sample IDs TSZD-JKJ-103937 and TSZD-JKJ-104088, in TMU). Description . Male. Head . Face and antenna brown, antenna darker, maxillary palpus pale yellowish. Eye bridge 2 facets wide. Face with 14–20 setae. Clypeus with 1–2 setae. Maxillary palpus with 3 segments, 1 st segment longer than 3 rd segment, 2 nd segment shortest; 1 st segment with 1–2 setae, with a large dorsal patch of sensilla; surface of antennal flagellomeres smooth, body of 4 th antennal flagellomere 2.15–2.25x as long as wide, the neck shorter than broad, the longest setae longer than the width of flagellomere. Thorax . Dark brown, setae pale. Anterior pronotum with 3–8 setae. Proepisternum with 7–9 setae. Scutellum with 4 longer and some short and fine setae. Wing . Fumose. Length 1.6–1.7 mm. Width/length 0.35–0.40. Anal lobe weak. Veins distinct. c/w 0.55–0.70. R 1 /R 0.45–0.55. stM longer or shorter than fork of M. r-m longer than bM, both non-setose. Halter yellow. Legs . Yellow, coxal setae pale. Fore tibial organ forming a rather small patch in depression. Fore tibial spur longer than the tibial width. Abdomen . Pale brown, setae pale and long. Hypopygium (Fig. 8 B). Brown, as abdomen. Intergonocoxal area moderately long, with long, apically bifid setose lobe (Fig. 18 D). Gonocoxa moderately broad, longer than gonostylus, medial margin basally strongly curved, with sparse setosity. Gonostylus (Fig. 9 D) long, apically truncate, impressed; with normal setosity, a long apical tooth, 1 megaseta on the apical side of the tooth, a pair of megaseta subapically near the tooth and another pair ...