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Linyphiidae  Blackwall, 1859 / Asthenargus  Simon & Fage, 1922   10 species

Asthenargus caucasicus Tanasevitch, 1987

WSC LSID urn:lsid:nmbe.ch:spidersp:009512

Key to genera | Key to species

Description
Male

Prosoma and sternum reddish brown. Chelicerae with large tooth frontally. Legs pale brown. Opisthosoma grey.

Body length male: 1.7 mm
Female

Colouration as in males.

Body length female: 1.7 mm
Distribution
  Presence
  No data
Global distribution (WSC 2026): Caucasus
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp
(Tanasevitch 1987a)

species

male Pedipalp
(Tanasevitch 1987a)

species

male Palpal tibia, dorsal view
(Tanasevitch 1987a)

species

male Palpal tibia, retrolateral view
(Tanasevitch 1987a)

species

male Prosoma, lateral view
(Tanasevitch 1987a)

species

female Epigyne
(Tanasevitch 1987a)

species

female Epigyne
(Zamani et al. 2026e)

species

female Vulva
(Tanasevitch 1987a)

species

female Habitus, dorsal view
(Zamani et al. 2026e)

Distribution List
Armenia   (Zamani et al., 2026e) ||| Azerbaijan   (Otto, 2022) ||| Georgia   (Otto, 2022) ||| Russia, Southern   (Otto, 2022) |||
References

Otto S (2022) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 02.2022. Internet: caucasus-spiders.info.

Tanasevitch A V (1987a) The linyphiid spiders of the Caucasus, USSR (Arachnida: Araneae: Linyphiidae). Senckenbergiana Biologica 67: 297-383 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.5.2026) doi: 10.24436/2 pdf

Zamani A, Kosyan A, Marusik Y M (2026e) New data on spiders (Arachnida: Araneae) from Armenia, including a unique case of palpal teratology. Journal of Insect Biodiversity and Systematics 12: 725-744 pdf

Updates
30-09-2026 Image insert
30-09-2026 Distribution insert Detail