Parorthocladius lazovskiensis Makarchenko et Makarchenko, sp. nov.

• Main Authors: Makarchenko, Eugenyi A., Makarchenko, Marina A.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Parorthocladius; Parorthocladius lazovskiensis; Sakhalin
• Online Access: https://zenodo.org/record/5624810; https://doi.org/10.5281/zenodo.5624810

Parorthocladius lazovskiensis Makarchenko et Makarchenko, sp. nov. (Figs. 1–3) Material. Holotype: adult male, Russian Far East, Primorye Territory, Lazovsky District, Lazovsky State Nature Reserve, Priamushka River, 19–20.V. 2007, leg. O. Zorina. Paratypes: 1 adult male, Primorye Territory, Ussuryisky District, Ussuryisky State Nature Reserve, Peishula River, 28.VII. 1998, leg. T. Vshivkova; 1 adult male, Sakhalin Island, Tymovsky Region, Khrebtovy Stream (Chamgu River basin), 28.VII. 2003, leg. E. Makarchenko. Adult male (n= 3). Total length 2.65–3.25 mm. Wing length 2.0– 2.08 mm. Total length/wing length 1.3–1.6. Head. Temporal setae 13–14, including 10 verticals and 3–4 postorbitals. Clypeus with 7 setae. Antenna with 13 flagellomeres and well developed plume; AR 0.96–1.1. Palp with 5 palpomeres. Length of distal 4 palpomeres (in µm): 48, 92, 84, 140 (n= 1). Thorax. Scutum with 3 dark brown stripes on yellowish or brownish yellow surface. Antepronotum with 2–3 lateral setae. Dc 6–8; Pa 4; scutellum without setae. Wing. R with 5–6 setae, R 1 and R 4 + 5 without setae. Cu 1 slightly curved in distal part. R 4 + 5 ending slightly distal or above apex of M 3 + 4. Costa extension 40 µm. Anal lobe well developed, rectangular-rounded. Squama with 10–16 setae. Legs. Spur of fore tibia 56 µm. Spurs of mid tibia 20 µm and 24 µm long, of hind tibia 24 µm and 56 µm long. Hind tibial comb with 10 setae. Fore leg without pseudospurs on ta 1; mid and hind legs with 2 apical pseudospurs on ta 1. Sensilla chaetica on mid leg absent. Lengths and proportions of leg segments as in Table 1. Hypopygium (Figs. 1–3). Tergite IX and anal point with 10–15 setae. Anal point 24–36 µm long and 8–12 µm wide near apex. Laterosternite IX with 4–7 setae on each side. Transverse sternapodeme 80–92 µm long, with triangular oral projections. Virga 24–28 µm long, consists of 2 short setae. Gonocoxite 184–196 µm long; dorsal part of inferior volsella nose-like; ventral part of inferior volsella located at dorsal part of inferior volsella (Fig. ...