Parorthocladius tyurkini Makarchenko et Makarchenko, sp. nov.
Parorthocladius tyurkini Makarchenko et Makarchenko, sp. nov. (Figs. 18–28) Material. Holotype: adult male, extracted from mature pupa, Russian Far East, Chukotka Autonomous Okrug, Iul’tinsky District, Egvekinot Village region, unnamed stream of Seutakan Lake basin, 20.VII. 1976, leg. E. Makarchenko...
| Main Authors: | , |
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| Format: | Other/Unknown Material |
| Language: | unknown |
| Published: |
2015
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| Subjects: | |
| Online Access: | https://zenodo.org/record/5624814 https://doi.org/10.5281/zenodo.5624814 |
| Summary: | Parorthocladius tyurkini Makarchenko et Makarchenko, sp. nov. (Figs. 18–28) Material. Holotype: adult male, extracted from mature pupa, Russian Far East, Chukotka Autonomous Okrug, Iul’tinsky District, Egvekinot Village region, unnamed stream of Seutakan Lake basin, 20.VII. 1976, leg. E. Makarchenko. Paratypes: 4 mature pupae (males) and 2 larval skins, same data as holotype. Adult male (n= 2). Total length ca 3 mm. Head. Eyes pubescent. Temporal setae 9–10, including 5–6 verticals and 3–4 postorbitals. Clypeus with 11 setae. Antenna with 13 flagellomeres and well developed plume; AR 0.69–0.73. Palp with 5 palpomeres. Length of distal 4 palpomeres (in µm): 40, 72, 64, 100 (n= 1). Thorax. Scutum with 3 dark brown stripes in lighter background. Antepronotum with 1–2 lateral setae. Dc 7– 8; Pa 4; scutellum without setae. Wing. Not spread. Legs. LR 1 0.62. Hypopygium (Figs. 18–23). Tergite IX and anal point with 28–38 setae. Anal point 20–24 µm long and 16–20 µm wide near apex. Laterosternite IX with 1–2 setae on each side. Transverse sternapodeme 92–100 µm long, with triangular oral projections. Virga absent. Gonocoxite 252–304 µm long; dorsal and ventral parts of inferior volsella triangular or rounded-triangular, both covered with microtrichia and setae (Figs. 18 –19, 22). Superior volsellae absent. Gonostylus 104–116 µm long, without crista dorsalis (Fig. 23); megaseta 12 µm long. Pupa (n= 5). Total length 2.9–3.1 mm. Colouration brown. Exuviae brownish, transparent. Cephalothorax. Frontal apotome without tubercles and frontal setae. Thoracic horn absent but present pore and 3 precorneals (length in µm): Pc 1 32, Pc 2 28–32, Pc 3 24; precorneals weak and hair-like, arranged one behind the other. Distance between Pc 1 and Pc 2 14–28 µm; distance between Pc 2 and Pc 3 6–34 µm. Antepronotum with 2 middle setae and 1 lateral seta. Dorsal surface of mesonotum rugose, in anterior 1 / 3 with row of pointed tubercles. Three dorsocentrals hair-like; distance between Dc 1 and Dc 2 148 µm; between Dc 2 and Dc 3 10–22 µm. ... |
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