Tanytarsus salmelai Giłka & Paasivirta, 2009, sp. n.
Tanytarsus salmelai sp. n. (Figs 3, 4, 15–18, 21, 24, 27) Type material. Holotype male, slide mounted in Canada balsam: Finland, Arcto-Alpine ecoregion, Aksonjunni, 36 km south of Nuorgam, Utsjoki, 2 July 2007. Paratypes. 1 male: same data as holotype; 2 males: Finland, Northern boreal ecoregion, Va...
Main Authors: | , |
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Format: | Other/Unknown Material |
Language: | unknown |
Published: |
Zenodo
2009
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Subjects: | |
Online Access: | https://doi.org/10.5281/zenodo.6222775 http://treatment.plazi.org/id/7F378787FFBCA56AFF64BB105426FB8D |
Summary: | Tanytarsus salmelai sp. n. (Figs 3, 4, 15–18, 21, 24, 27) Type material. Holotype male, slide mounted in Canada balsam: Finland, Arcto-Alpine ecoregion, Aksonjunni, 36 km south of Nuorgam, Utsjoki, 2 July 2007. Paratypes. 1 male: same data as holotype; 2 males: Finland, Northern boreal ecoregion, Vasanvuoma near Kittilä, 26 June 2007; 2 males slide mounted in Euparal: Finland, Taljavaaranvuoma near Kittilä, 12 July 2007. Leg. J. Salmela. Derivation of the name. The specific name is dedicated to Jukka Salmela (University of Jyväskylä, Finland), who collected the material. Diagnosis. Darkly coloured species, with wing 1.15–1.50 (1.30) mm long and AR 0.44–0.51 (0.48). Anal wing lobe strongly reduced; membrane brownish, covered with sparse macrotrichia apically. Anal point slender, with narrowed and strongly elongated tip. Superior volsella roundish, bearing two anteromedian setae. Digitus stout, with apical pear-shaped lobe and single seta at its base. Stem of median volsella strongly reduced, with group of short lamellae. Inferior volsella parallel-sided, with transversally cut apex and darkly pigmented dorsomedian ridge. Description. Adult male (measurements in Table). TABLE. Comparison of measurable characters of male Tanytarsus brundini , T. curticornis and T. salmelai sp. n. (length measurements in μm, except for wing). Character \ Species T. brundini T. curticornis T. salmelai n = 10 unless otherwise stated n = 10 n = 6 unless otherwise stated Colouration. Ground colour of thorax, scutellum, haltere, legs and abdomen olive brown; antennal pedicel, tentorium, scutal stripes, postnotum and sternum brown to fuscous or black; wing membrane brownish; C, M and radial veins distinctly darker. Head. Antenna with 13 flagellomeres; ultimate flagellomere relatively short, club-shaped. Frontal tubercles short but always present. Third palpomere longer than fourth. Wing. Membrane covered with sparse macrotrichia in distal half of cell r4+5, a few macrotrichia in apical part of cell m1+2 sometimes present, remaining cells ... |
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