Corynoptera tenuichaeta Vilkamaa & Menzel 2017, sp. n.

• Main Authors: Vilkamaa, Pekka, Menzel, Frank
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Sciaridae; Corynoptera; Corynoptera tenuichaeta; nenets; Nenets Autonomous Okrug; Taimyr; Yamalo Nenets; Yamalo-Nenets Autonomous Okrug
• Online Access: https://doi.org/10.5281/zenodo.6049508; http://treatment.plazi.org/id/D50487C2153D4F68FF2DE997FCC7D5F8

Corynoptera tenuichaeta sp. n. Fig. 10 A, B Material studied. Holotype male . RUSSIA, Taimyr Peninsula, on the river Zakharova Rassokha, 72.70°N, 101.08°E, pan trap, 1–10.VII.2011, A. V. Barkalov (in ISEA). Paratypes . RUSSIA, Krasnoyarsk region, Taimyr Nature Reserve, Aru-Mas, 72.50°N, 101.94°E, pan trap, 9–20.VII.2010, A. V. Barkalov, 2 males (in MZH and SDEI); Yamalo-Nenets Autonomous Okrug, on the river Longotegan, 67.32°N, 66.72°E, Malaise trap, 2– 28.VII.2015, A. V. Barkalov, 1 male (in MZH). Description. Male. Head . Brown, maxillary palpus very pale brown, antenna concolorous with face. Eye bridge 2–3 facets wide. Face with 22–30 scattered dark longer and shorter setae. Clypeus with 1(2) dark setae. Maxillary palpus with 3 segments; 1 st segment longer than 3rd segment, 2nd segment shortest; 1 st segment with 1– 4 sharp setae, with an indistinct dorsal patch of sensilla. Body of 4th antennal flagellomere 1.9–2.3x as long as wide, the neck shorter than the width of flagellomere, the longest setae as long as the width of flagellomere. Thorax . Unicolorous dark brown, setae pale. Anterior pronotum with 5–7 setae. Proepisternum with 9–11 setae. Wing . Fumose. Length 1.4–1.6 mm. Width/length 0.40–0.45. Anal lobe small. R1/R 0.70–0.95. c/w 0.40–0.50. bM longer than r-m. bM non-setose, r-m non-setose or with 1 seta. Halter pale brown. Legs . Pale brown. Fore tibial organ with dark and strong vestiture, forming a row. Fore tibial spur longer than the tibial width. Abdomen . Pale brown, setae pale, short and fine. Hypopygium (Fig. 10 A). Brown, as abdomen. Gonocoxa strong, longer than gonostylus. The ventral setosity of gonocoxa sparse, setae at the apical part of the medial margin slightly elongated. Gonostylus (Fig. 10 B) elongated, curved, the medial side slightly impressed; the setosity sparse, apicomedially with a few elongated setae; with a curved apical tooth, with 6–7 subapical megasetae, the megasetae hyalinous, subequal in size, shorter than apical tooth, straight. Tegmen slightly longer than broad, ...