Hydrobaenus distinctus Makarchenko et Makarchenko, comb. n.

• Published in: Global Change Biology
• Main Authors: Makarchenko, Eugenyi A., Makarchenko, Marina A.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Hydrobaenus; Hydrobaenus distinctus; taiga
• Online Access: https://doi.org/10.5281/zenodo.5695737; http://treatment.plazi.org/id/03D2713219332E32FF124223FB7FFA1E

Hydrobaenus distinctus (Makarchenko et Makarchenko), comb. n. (Figs. 1 –29) Bryophaenocladius distinctus Makarchenko et Makarchenko, 2006a: 7. Material. Far East of Russia. Khabarovsk Territory: 5 males, Michurinsk Lake near Khabarovsk City, 5.V. 2009, leg. N. Yavorskaya. Primorye Territory: 2 males, Gribnaya River near Chernigovka Village, 25.IV. 2011, leg. T. Tiunova; 1 mature pupa reared from larva, 1 larva, unnamed stream, Mountain-Taiga Station of the Far Eastern Branch Russian Academy of Sciences, Gornotaezhnoe Village, Ussuryisky Region, N 43°41' 675", E 132°09' 293", 6.V. 2012, leg. E. Makarchenko; 1 male, reared from pupa, 1 pupal exuviae, 1 pupa reared from larva, 1 male, 1 mature pupa, 5 larvae, same data as previous except 6.V. 2013, E. Makarchenko & T. Tiunova; 1 male, same data as previous except 16.V. 2013, leg. E. Makarchenko; 3 males, same data as previous except 27.V. 2013, leg. E. Makarchenko & M. Makarchenko. Description. Adult male (n = 4). Total length 2.2–2.6 mm. Wing length 1.68–1.96 mm. Total length/wing length 1.30–1.52. Coloration brown, wings grey. Head. Eyes with short dorsomedian prolongations. Temporal setae including (from one side) 3 inner verticals, 1 outer vertical and 2–5 postorbitals. Clypeus with 5–7 setae. AR 0.97–1.07. Lengths (µm) of palpomeres 1–5: 32, 52–56, 96, 84, 116–128. Thorax. Antepronotal lobes with V-shaped notch (Fig. 5) and with 2–3 lateral setae. Acrostichals 12–17, beginning close to antepronotum (1 specimen) or some distance from antepronotum (3 specimens) (Fig. 4), dorsocentrals 8–12, prealars 3–4. Scutellum with 6–9 setae. Wing. R with 11–15 setae, R1 with 3–5 setae, R4+5 with 2–5 setae subapically. Costa extension 56–68 µm. Anal lobe rounded. Squama with 3–5 setae (Fig. 7). Legs. Spur of front tibia 48 µm. Spurs of mid tibia about 20 µm long, of hind tibia 48–52 µm and 16–20 µm long. Hind tibial comb with 9–11 setae. Pseudospurs on ta1 on all legs absent. Length and proportions of leg segments as in Table 1. FIGURES 19–29. Hydrobaenus distinctus ...