Corynoneura collaris Makarchenko et Makarchenko

• Main Authors: Fu, Yue, Saether, Ole A.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Corynoneura; Corynoneura collaris; Canada; Currie; Horton River; Northwest Territories
• Online Access: https://zenodo.org/record/5258037; https://doi.org/10.5281/zenodo.5258037

Corynoneura collaris Makarchenko et Makarchenko (Figs 8 A–F) Corynoneura collaris Makarchenko et Makarchenko 2010:358. Material examined. CANADA: Northwest Territories, Horton River (6741.2'N, 12239.0'W), 6 males, Malaise trap, 19.vii.2000, D.C. Currie & B. V. Brown (CNC). Diagnostic characters. The sternapodeme of male inverted U-shaped and the gonostylus bent apically, antenna has 9–10 flagellomeres and with long radial sensilla chaetica; superior volsella rounded, and inferior volsella developed and projecting in the median. Male (n = 6) Total length 1.01–1.13, 1.07 mm. Wing length 0.78–0.81, 0.80 mm. Total length/wing length 1.10–1.45, 1.29. Wing length/profemur length 3.3. Wing width/wing length 0.34–0.35 (3). Coloration. apically Entirely brown. Head. Eyes bare. Antenna (Fig. 8 C–D) with 9–10 flagellomeres, with more than 20 apical sensilla chaetica, 76–80 µm long and apically bent; ultimate flagellomere 101 µm long, apically expanded. AR 0.36. Tentorium (Fig. 8 B) 115–121, 118 µm long, 12–18, 15 µm wide; stipes 44 µm long, 3 µm wide. Anterior margin of cibarial pump distinctly concave. Clypeus with 8–10, 9 setae. Lengths of palpomeres (in µm): 10–12; 12–14, 13; 21–22; 22–26, 24; 54–58, 56. Palpomere 5/3 ratio: 2.5–2.6. Thorax: Dorsocentrals 5, other setae not measurable. Wing (Fig. 8 A). VR 3.1–3.3, 3.2. Cu/wing length 0.53–0.55, 0.54; C length 188–200, 193 µm long; Cu 440– 450, 445 µm long; wing width/wing length: 0.33–0.35, 0.34; Costa with 5–8, 7 setae. Legs. Fore trochanter with dorsal keel. Spur of fore tibia 16–20, 18 µm long; of mid tibia 8–10, 9 µm long; of hind tibia 11 µm and 26–28, 27 µm long. Width at apex of fore tibia 18–22, 20 µm; of mid tibia 17–19, 18 µm; of hind tibia (a) 32–36, 34 µm. Width of hind tibia 1 / 3 from apex (d) 19–25, 21 µm; elongation length (b) 30–37, 35 µm; length of maximum thickening (c 1) 63–69, 66 µm; total length of thickening (c 2) 99–104, 102 µm; a/d 1.3–1.8, 1.6; b/d 1.5–1.9, 1.6; c 1 /d 2.8–3.2, 3.0; c 2 /d 4.2–5.1, 4.8. Hind tibia expanded, with comb of ...