Arctilaira jamalensis (Eskov, 1981)
Description
Male
Pedipalp: retrolateral margin of tibia with tooth (spine) in apical part. Prosoma yellow-brown. Prosoma length 1.28-1.35 mm. Chelicerae dark yellow, promargin with 5 large, retromargin with 4 small teeth. Legs yellow-brown, TmI 0.68. Opisthosoma light grey.
Body length male: 3.0-3.3 mmFemale
Colouration as in males. Prosoma length: 1.30-1.35 mm.
Body length female: 2.6-3.2 mmDistribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp, prolateral view
(Tanasevitch & Marusik 2026)
Pedipalp, retrolateral view
(Tanasevitch & Marusik 2026)
Pedipalp, retrolateral view
(Marusik & Tanasevitch 2003)
Apical part of bulbus, retrolateral view
(Marusik & Tanasevitch 2003)
Embolic division, ventral view
(Marusik & Tanasevitch 2003)
Embolic division
(Tanasevitch & Marusik 2026)
Embolic division
(Tanasevitch & Marusik 2026)
Palpal tibia, prolateral view
(Marusik & Tanasevitch 2003)
Prosoma, lateral view
(Tanasevitch & Marusik 2026)
Leg I, prolateral view
(Tanasevitch & Marusik 2026)
Leg I, retrolateral view
(Tanasevitch & Marusik 2026)
Epigyne, posterior view
(Marusik & Tanasevitch 2003)
Epigyne
(Tanasevitch & Marusik 2026)
Epigyne
(Tanasevitch & Marusik 2026)
Epigyne, variation, posterior view
(Marusik & Tanasevitch 2003)
Distribution List
"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.
References
Marusik Y M, Tanasevitch A V (2003) Two new erigonine spiders (Aranei: Linyphiidae) from mountains of south Siberia. Arthropoda Selecta 11: 159-165 
Tanasevitch A V, Marusik Y M (2026) Reassessment of the spider genus Hilaira Simon, 1884. I. Revalidation of the genus Arctilaira Chamberlin, 1921 (Aranei: Linyphiidae). Invertebrate Zoology 23: 114-135
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2