Trichocoelina quintula 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 quintula; Lapponia
• Online Access: https://doi.org/10.5281/zenodo.4340428; http://treatment.plazi.org/id/A703878CA967FF92FF26FC409B740BFD

Trichocoelina quintula sp. n. Figs 14 A, 16 A Material studied . Holotype male. FINLAND, Lkor (Lapponia kemensis orientalis) Salla, Värriö, Kuntasjoki (grid 7520406:3610772), Malaise trap, 29.VII –19.IX.2013, J. Salmela (in MZH). Description . Male. Head . Face brown, antenna darker brown, maxillary palpus pale yellowish. Eye bridge 3 facets wide. Face with 20 fine setae. Clypeus with 2 setae. Maxillary palpus with 3 segments, lengths of segments poorly comparable in the specimen studied; 3 rd segment longer than 2 nd segment; 1 st segment with 1 seta, with a dorsal patch of sensilla; surface of antennal flagellomeres smooth, body of 4 th antennal flagellomere 2.1x as long as wide, the neck shorter than broad, the longest setae shorter than the width of flagellomere. Thorax . Brown, setae pale. Anterior pronotum with 7 setae. Proepisternum with 8 setae. Scutellum with 3 longer and some short and fine setae. Wing . Fumose. Length 2.0 mm. Width/length 0.40. Anal lobe moderate. Veins distinct. c/w 0.75. R 1 /R 0.90. stM and fork of M subequal in length. bM slightly longer than r-m, bM and r-m non-setose. Halter yellow. Legs . Yellow, coxal setae pale. Fore tibial organ forming a large distinct patch of pale setae in depression. Fore tibial spur longer than the tibial width. Abdomen . Pale brown, setae pale, moderately long. Hypopygium (Fig. 14 A). Brown, as abdomen. Intergonocoxal area long, with 2 small separate setose lobes. Gonocoxa narrow, longer than gonostylus, with short sparse setosity, medial margin basally smoothly curved. Gonostylus (Fig. 16 A) elongated, apically slightly narrowed, strongly impressed; with short setosity, a long and narrow apical tooth, and 5 medial megasetae; megasetae strong and slightly curved; with a long whiplash seta basad from the megasetae. Tegmen subtriangular, apically roundish, laterally straight, weakly sclerotized, with area of small aedeagal teeth. Aedeagal apodeme narrow and long. BIN . Unknown. Discussion . Trichocoelina quintula sp. n. resembles somewhat T. hiemalis ...