Stempellinella edwardsi Spies et Saether 2004

• Main Author: Orel, Oksana V.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2023
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Stempellinella; Stempellinella edwardsi; Sakhalin
• Online Access: https://doi.org/10.5281/zenodo.10250398; http://treatment.plazi.org/id/03B7900AFF820219FF44FD71FAE5FE58

Stempellinella edwardsi Spies et Saether, 2004 Figs 41–46. Tanytarsus ( Stempellina ) minor Edwards, 1929: 420; Goetghebuer 1937 –1954; Brundin 1947, 1948; Langton 1991; Cranston et al. 1989: 489, Fig. 10.63 A, B; Langton & Visser 2003. Tanytarsus ( Stempellina ) minusculus Edwards, 1929: 417. Stempellinella edwardsi Spies et Saether, 2004: 65; Stempellinella sp. 1 Makarchenko et Orel, 2023: 145. Material examined. RUSSIA : AMUR REGION, Zeya reservoir, stream near the Shirokovskaya River, 02.vii.2013, 5 males, leg. T. Tiunova; Zeya reservoir, 63 km (right side of the reservoir), 06.vii.2013, 24 males, leg. T. Tiunova; MAGADAN REGION, Big Darpir Lake (eastern shore), 05.viii.2018, 1 male, leg. E. Khamenkova; SAKHALIN REGION, Sakhalin Island, Chaivo Bay, Sandy Lake, 28.viii.2001, 1 male, leg. T. Tiunova; Noglinsky district, Noglinsky district, the vicinity of the village of Val, Rybnoye Lake, 3–5.viii.2003, 10 males, leg. E. Makarchenko; Okhinsky district, a lake 15 km east of Piltun village, 6–7.viii.2003, 1 male, leg. E. Makarchenko. Diagnosis. Male: yellowish brown coloured species, with wing 1.10–1.46 mm long. AR 1.06–1.37; ultimate flagellomere 336–400 μm; length of 2–4 flagellomeres of maxillary palpomeres 279–315 μm; frontal tubercles conical, 12–18 μm long. LR PI 1.26–1.53; combs of mid and hind tibiae with 2 spurs. T-shaped anal tergite band; 1–2 lateral setae present; anal point with 25–45 small spinulae at base; 3–5 small median tergite setae close to anal point; superior volsella oval; median volsella strongly curved, without microtrichia, with simple lamellae, stem 30–39 μm long. Redescription. Adult male (n=6). General colour yellowish brown. Total length 1.5–1.7 mm; total length/wing length 1.15–1.35. Head (Fig. 41). Frontal tubercles conical, 12–16 μm long. Temporal setae 3–8. Clypeus with 7–14 setae. Maxillary palp yellowish, 279–315 μm long; lengths of last 4 palpal segments (μm): 21–33, 69–87, 78–90, 102–111. Palp length/head width 1.20–1.37. Scapus brown, flagellomeres (1–10) dark-brown, ...