Diamesa ...

Diamesa sp. " Diamesa chorea Lundb. (?)" sensu Lundström (1915: 22), not Lundbeck, 1898: 291. (Fig. 23) Material examined. RUSSIA: Chara­Ullach Mts., Lake Ketalach, 1 Ψ, 21. vii. 1902, M. I. Brussnew. FEMALE IMAGO (n = 1) Total length 5.63 mm. Wing length 4.34 mm long. Total length/wing le...

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Bibliographic Details
Main Author: Saether, Ole A.
Format: Text
Language:unknown
Published: Zenodo 2004
Subjects:
Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Chironomidae
Diamesa
Arctic
Siberia
Online Access:https://dx.doi.org/10.5281/zenodo.6271215
https://zenodo.org/doi/10.5281/zenodo.6271215
Description
Summary:Diamesa sp. " Diamesa chorea Lundb. (?)" sensu Lundström (1915: 22), not Lundbeck, 1898: 291. (Fig. 23) Material examined. RUSSIA: Chara­Ullach Mts., Lake Ketalach, 1 Ψ, 21. vii. 1902, M. I. Brussnew. FEMALE IMAGO (n = 1) Total length 5.63 mm. Wing length 4.34 mm long. Total length/wing length 1.30. Wing length/length of profemur 2.85. Coloration brown. Head. Eyes bare. AR 0.63. Pedicel with 1 strong setae. Lengths of flagellomeres (in m) as: 88, 56, 68, 49, 60, 199. Third flagellomere with deep sensilla capitata, last flagellomere with 2 apical setae each 86 m long. Coronal suture complete. Temporal setae 29, consisting of 19 frontals and inner verticals, 4 outer verticals, and 6 postorbitals. Clypeus with 17 setae. Tentorium 263 m long, 56 m wide, anterolateral process (sieve pore) weak; stipes 244 m long, plate 135 m wide. Palpomere lengths (in m):68, 109, 184, 161, 255. Thorax. Antepronotum with 7 setae. Acrostichals absent, dorsocentrals 12, prealars 12. Scutellum with 24 setae in two rows. Wing. VR ... : Published as part of Saether, Ole A., 2004, The chironomids (Diptera, Chironomidae) described by Lundström (1915) from arctic Siberia, with a redescription of Derotanypus sibiricus (Kruglova & Chernovskii), pp. 1-35 in Zootaxa 595 on pages 24-25, DOI: 10.5281/zenodo.157906 ...

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