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

Asthenargus helveticus  Schenkel, 1936

WSC LSID urn:lsid:nmbe.ch:spidersp:009515

Key to genera | Key to species

Description
Male

Tibial apophysis semicircularly bent. Prosoma light yellow, without elevated head region. Legs yellow.

Body length male: 1.3-1.5 mm
Female

Epigynal plate reaching only somewhat beyond epigastric furrow.

Body length female: 1.3-1.6 mm
Additional information

in soil layer of forests, 280-1700 m

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2024): Germany, Poland, Czechia, Switzerland, Austria, Italy
Figures
species

male Pedipalp, retrolateral view
(Heimer & Nentwig 1991)

species

male Pedipalp, dorsal view
(Miller 1938a)

species

male Pedipalp, dorso-retrolateral view
(Miller 1938a)

species

male Pedipalp, retrolateral view
(Miller 1938a)

species

male Pedipalp, prolateral view
(Millidge 1977)

species

male Pedipalp, retrolateral view
(Thaler 1969)

species

male Pedipalp, retrolateral view
(Schenkel 1939)

species

male Embolic division
(Thaler 1969)

species

male Embolic division, prolateral view
(Thaler 1978a)

species

male Palpal spur, dorsal view
(Schenkel 1939)

species

male Palpal tibia, dorsal view
(Heimer & Nentwig 1991)

species

male Palpal tibia, retrolateral-dorsal view
(Thaler 1969)

species

male Palpal tibia, dorsal view
(Thaler 1969)

species

female Epigyne
(Heimer & Nentwig 1991)

species

female Epigyne
(Miller 1938a)

species

female Epigyne
(Schenkel 1936)

species

female Vulva, dorsal view
(Thaler 1969)

species

female Vulva, ventral view
(Thaler 1969)

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.

Austria   (Thaler, 1969) ||| Czechia   (Růžička & Řezáč, 2022a) ||| Germany   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Poland   (Rozwałka & Stanska, 2008) ||| Switzerland   (no references) |||
References

Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin pdf

Miller F (1938a) Novi pavouci (Araneae) z Ceskoslovenska, I [Neue Spinnen (Araneae) aus der Čechoslovakischen Republik. I]. Entomologické Listy, Brno 1: 61-66 pdf

Millidge A F (1977) The conformation of the male palpal organs of linyphiid spiders, and its application to the taxonomic and phylogenetic analysis of the family (Araneae: Linyphiidae). Bulletin of the British Arachnological Society 4: 1-60 pdf

Pantini P, Isaia M (2019) Araneae.it: the online catalog of Italian spiders, with addenda on other arachnid orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). Fragmenta Entomologica 51: 127-152 pdf

Rozwałka R, Stanska M (2008) Check-list of spiders (Araneae) of Poland. 1. December 2008. online at http://www.arachnologia.edu.pl/en/species/8-spiders-of-poland.html pdf

Růžička V, Řezáč M (2022a) Seznam pavouků České republiky. List of spiders of the Czech Republic. Online at https://www.arachnology.cz/seznam-pavouku-cr-26.html and https://www.arachnology.cz/en/seznam-pavouku-cr-26.html pdf

Schenkel E (1936) Kleine Beiträge zur Spinnenkunde. II. Teil. Revue Suisse de Zoologie 43: 307-333 pdf

Schenkel E (1939) Beitrag zur Spinnenkunde. Revue Suisse de Zoologie 46: 95-114 pdf

Thaler K (1969) Über einige wenig bekannte Zwergspinnen aus Tirol (Arachn., Araneae, Erigonidae). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 57: 195-219 pdf

Thaler K (1978a) Über wenig bekannte Zwergspinnen aus den Alpen, V (Arachnida: Aranei, Erigonidae). Beiträge zur Entomologie 28: 183-200 pdf

WSC (2024) World Spider Catalog. Version 25.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (22.01.2024) doi: 10.24436/2 pdf

Updates
06-05-2024 Image insert
31-03-2023 Distribution update Detail