Chaetocladius perennis Meigen ...

• Main Author: Saether, Ole A.
• Format: Text
• Language: unknown
• Published: Zenodo 2004
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Chaetocladius; Chaetocladius perennis; Arctic; New Siberian Islands; Siberia
• Online Access: https://dx.doi.org/10.5281/zenodo.6271199; https://zenodo.org/doi/10.5281/zenodo.6271199

Chaetocladius perennis (Meigen) (Fig. 21) Chironomus perennis Meigen, 1830: 249. Camptocladius incertus Lundström, 1915: 15, syn. n. Type material examined. RUSSIA: New Siberian Islands, west coast, lectotype ɗ, here designated, 12 vi 1903, M. I. Brussnew; paralectotype ɗ, south coast at Holzgebirge”, 9 vii 1903, M. I. Brussnew. MALE IMAGO (n = 1–2) Total length 3.47–3.87 mm. Wing length 1.89–2.07 mm. Total length/wing length 1.84–1.87. Wing length/length of profemur 2.38–2.41. Thorax and abdomen brown, legs dark brown. Head. AR 1.12–1.15. Ultimate flagellomere 435–444 m long. Temporal setae 15–17, consisting of 6–7 inner verticals, 6–7 outer verticals and 3 postorbitals. Clypeus with 7–8 setae. Tentorium 173–176 m long, 38–45 m wide; stipes 158–165 m long, 71–75 m wide, with well sclerotised median plate. Palpomere lengths (in m): 45–49, 60–68, 128– 154, 120–143, 180–203. Third palpomere apparently with 3 very weak sensilla clavata. Thorax. Antepronotum with 8–10 lateral setae. Acrostichals 18–21, ... : 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 19-20, DOI: 10.5281/zenodo.157906 ...