Description of Chaetocladius (Chaetocladius) spiridonovi sp. nov. from the Russian Arctic Region (Diptera, Chironomidae) Author Krasheninnikov, Andrey B. 0000-0001-9876-1008 Institute of Biological Problems of the North Far East Branch of the Russian Academy of Sciences, Portovaya St. 18, 685000 Magadan, Russia. & krasheninnikov 2005 @ yandex. ru; https: // orcid. org / 0000 - 0001 - 9876 - 1008 krasheninnikov2005@yandex.ru Author Tanadbaeva, Dana A. 0000-0002-1854-3666 Laboratory of Ecology and Evolutionary Biology of Aquatic Organisms, Institute of the World Ocean, Far Eastern Federal University, Suhanova St. 8, 690950 Vladivostok, Russia. & teda 2611 @ gmail. com; https: // orcid. org / 0000 - 0002 - 1854 - 3666 teda2611@gmail.com Author Vshivkova, Kristina A. 0000-0002-2472-7429 Institute of Biological Problems of the North Far East Branch of the Russian Academy of Sciences, Portovaya St. 18, 685000 Magadan, Russia. & kaktusovak @ inbox. ru; https: // orcid. org / 0000 - 0002 - 2472 - 7429 kaktusovak@inbox.ru text Zootaxa 2022 2022-03-18 5116 2 292 298 journal article 20175 10.11646/zootaxa.5116.2.6 79701af6-c816-4584-87fe-67e31915c5fc 1175-5326 6367383 81120B67-D46B-4E51-93A1-5C017B145D19

TABLE 1. Male adult of Chaetocladius spiridonovi sp. nov. Length (in μm) and proportions of legs (n = 3).

	fe	ti	ta1	ta2	ta3	ta4	ta 5	LR	BV	SV	BR
P 1	796– 889	920– 1014	515– 608	328– 343	172– 250	140– 156	109– 125	0,55– 0,61	3,00– 3,04	3,22– 3,36	2,0–2,2
P2	780– 858	874– 920	343– 406	234	156	94	94	0,39– 0,45	3,46– 3,66	4,38– 4,82	2,75
P3	889– 936	920– 1045	530– 593	281– 312	203– 234	109– 140	94–109	0,57– 0,58	3,19– 3,58	3,32– 3,41	2,2–2,8