Linyphiidae  Blackwall, 1859 / Bolephthyphantes  Strand, 1901   2 species

Bolephthyphantes index (Thorell, 1856)

Description

Cymbium with hump on base. Paracymbium with broad, robust process on the terminal part. Epigyne with broad process of anterior epigynal plate, posteriorly with 2 lobes. Prosoma yellow-brown, with dark median band and margin. Sternum yellowish grey-brown. Chelicerae light yellow. Legs yellow-brown. Opisthosoma dark grey, dorsally with numerous white spots, sometimes with vague dark pattern.

Body length male: 2.3-3.0 mm
Body length female: 2.3-3.4 mm
Additional information

on tree roots, in crevices in the mountains

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2026): Greenland, Europe, Russia (Europe to Far East), Kazakhstan
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
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, 1995) ||| Czechia   (Růžička & Řezáč, 2022a) ||| Estonia   (Vilbaste, 1987) ||| Finland   (Koponen et al., 2016) ||| France   (Miquet et al., 2022) ||| Germany   (Blick et al., 2016) ||| Iceland   (Agnarsson, 1996) ||| Italy   (Isaia et al., 2025) ||| North Macedonia   (Komnenov, 2017) ||| Norway   (Aakra & Hauge, 2003) ||| Poland   (Rozwałka & Stanska, 2008) ||| Romania   (Urák & Fetykó, 2006) ||| Russia, Central   (no references) ||| Russia, Eastern   (Esyunin & Efimik, 1996a) ||| Russia, Northern   (Koponen et al., 1998) ||| Russia, Western   (no references) ||| Spain   (Branco et al., 2019) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (Maurer & Hänggi, 1990) |||
References

Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 pdf

Agnarsson I (1996) Íslenskar köngulær Fjölrit Náttúrufræðistofnunar 31: 1-175 pdf

Blick T, Finch O-D, Harms K H, Kiechle J, Kielhorn K-H , Kreuels M, Malten A, Martin D, Muster C, Nährig D, Platen R, Rödel I, Scheidler M, Staudt A, Stumpf H, Tolke D (2016) Rote Liste und Gesamtartenliste der Spinnen (Arachnida: Araneae) Deutschlands. 3. Fassung, Stand April 2008, einzelne Änderungen und Nachträge bis August 2015. Naturschutz und Biologische Vielfalt 70/4: 383-510 pdf

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

Esyunin S L, Efimik V E (1996a) Catalogue of the spiders (Arachnida, Aranei) of the Urals. KMK Scientific Press, Moscow, 228 pp. pdf

Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204 pdf

Komnenov M (2017) New data on spider fauna (Araneae) of Shar Mountain, north-western Macedonia. Proceedings of the 5th Congress of the Ecologists of Macedonia, with international participation (Ohrid, 19th-22nd October 2016). Special issues of the Macedonian Ecological Society 13: 44-61 pdf

Koponen S, Fritzén N R, Pajunen T (2016) Checklist of spiders in Finland (Araneae). 6th version, December 2016, online at http://biolcoll.utu.fi/arach/checklist_of_spiders_in_Finland.htm pdf

Koponen S, Marusik Y M, Tanasevitch A V (1998) New data on the spider fauna of the Polar Urals (Aranei). Arthropoda Selecta 6: 109-119 pdf

Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001] pdf

Løvbrekke H (unpubl.)

Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12 pdf

Miquet A, Oger P, Déjean S (2022) Bolephthyphantes caucasicus (Tanasevitch, 1990), nouvelle espèce pour la France découverte dans les Alpes et les Pyrénées (Araneae, Linyphiidae). Revue Arachnologique (2) 9: 26-29 pdf

Morka G H (unpubl.)

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 (2000) Spiders (Araneae) of two valleys in the Krkonose Mts. (Czech Republic). Ekológia (Bratislava) 19, Suppl. 3: 235-244 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

Thaler K (1995) Beiträge zur Spinnenfauna von Nordtirol - 5. Linyphiidae 1: Linyphiinae (sensu Wiehle) (Arachnida: Araneida). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 82: 153-190 pdf

Urák I, Fetykó K (2006) Arachnological studies in the Retezat National Park (Romania). Transylvanian Review of Systematical and Ecological Research 3: 79-88 pdf

Vilbaste A (1987) Eesti Ämblikud (Aranei). Annoteeritud nimestik. Estonian spiders (Aranei). An annotated check list. Valgus, Tallinn. 113 pp. & 512 maps on 67 unpag. pages pdf

Wiehle H (1956) Spinnentiere oder Arachnoidea, X. 28: Familie Linyphiidae-Baldachinspinnen. Die Tierwelt Deutschlands 44: 1-337 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2 pdf

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