Hydrobaenus majus Makarchenko et Makarchenko, sp. nov.

• Main Authors: Makarchenko, Eugenyi A., Makarchenko, Marina A., Semenchenko, Alexander A.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Hydrobaenus; Hydrobaenus majus; taiga
• Online Access: https://zenodo.org/record/5671897; https://doi.org/10.5281/zenodo.5671897

Hydrobaenus majus Makarchenko et Makarchenko, sp. nov. (Figs. 5 –18). Material. Holotype: adult male, Russian Far East, Primorye Territory, Ussuryisky District, Mountain-Taiga Station of the Far Eastern Branch Russian Academy of Sciences, Gornotaezhnoe Village, unnamed stream, N 43 ° 41.675 ', E 132 °09.293', 6.V. 2013, leg. E. Makarchenko & M. Makarchenko. 19 Paratypes: 5 adult males, 2 pupae with larval skins, 3 larvae, the same data as holotype, except 16.V. 2013, leg. E. Makarchenko; 1 adult male, the same data as holotype, except 27.V. 2013, leg. E. Makarchenko; 1 pupa, 4 larvae, the same data as holotype, except 10.V. 2014, leg. E. Makarchenko & M. Makarchenko; 3 adult males, Khabarovsk Territory, Bolshekhehtsyrsky Nature Reserve, Golovina Stream, Ussuri River basin, N 48 ° 11.131 ', E 134 ° 41.039 ', 13.V. 2015, leg. N. Yavorskaya. Etymology. The species name is derived from the Latin word majus, which means May. All the examined material was collected in May. Adult male (n= 4). Total length 2.5–3.3 mm. Wing length 2.0– 2.28 mm. Total length/wing length 1.25–1.45. Colouration. Thorax, abdomen and legs brown to dark brown. Wing greyish. Head. Eyes pubescence, with short dorsomedian prolongations Temporal setae 9–10, including 5–6 verticals and 4 postorbitals. Clypeus with 8–10 setae. Antenna with 13 flagellomeres and well developed plume; apex of 13 th flagellomere pointed. AR 1.52–1.80. Length of 5 palpomeres (in µm): 20 –32, 60– 68, 116–120, 100 – 120, 136 – 160. Thorax. Antepronotum with 3 lateral setae. Acrostichals 8–16, dorsocentrals 7–16, prealars 4–7, scutellum with 6– 12 setae in one row. Wing. R with 6–10 setae, R 1 and R 4 + 5 without setae. R 4 + 5 ending distal of apex M 3 + 4 and costa extension. Costa extension 48 µm. Anal lobe well developed, rounded. Squama with 11–16 setae. Legs. Spur of fore tibia 56–60 µm long. Spurs of mid tibia 24 – 24 µm and 20 µm long. Spurs of hind tibia 56–60 µm and 20 µm long. Hind tibial comb with 10–11 setae. Front leg without pseudospurs on ta 1; mid ...