Hahniidae  Bertkau, 1878 / Hahnia  C. L. Koch, 1841   16 species

Hahnia helveola Simon, 1875

Description

Male palp with slender patellar apophysis, distally hook-like bent. Cymbium longish oval. Tibial apophysis strongly bent, sickle-shaped, its end reaching approximately the middle of tibia. Epigyne with X-shaped entrance ducts shining through. Prosoma yellow-brown, with distinct spot in foveal region. Metatarsus III and IV distally with several spines. Opisthosoma pale yellow with dark chevrons.

Body length male: 2.2-2.5 mm
Body length female: 2.4-3.0 mm
Additional information

In forests, bogs, heathland and coastal habitats.

Distribution
  Presence
  No data
Distribution comment: Svalbard: introduced (Coulson et al. 2014).
Global distribution (WSC 2026): Europe, Turkey, Georgia, Azerbaijan
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Austria   (Thaler, 1997b) ||| Azerbaijan   (Nuruyeva & Snegovaya, 2024c) ||| Belgium   (Bosmans & Van Keer, 2017) ||| Czechia   (Růžička & Řezáč, 2022a) ||| Denmark   (Scharff & Gudik-Sørensen, 2006) ||| France   (Le Peru, 2007) ||| Georgia   (Ponomarev & Komarov, 2015) ||| Germany   (Blick et al., 2016) ||| Hungary   (Samu & Szinetár, 1999) ||| Ireland   (Cawley, 2001; Lavery, 2019) ||| Italy   (Isaia et al., 2025) ||| Liechtenstein   (Frick, unpubl.) ||| Luxembourg   (Kreuels et al., 2019) ||| Moldova   (Vasiliev & Mikhailov, 2023) ||| Netherlands   (van Helsdingen, 2025a) ||| North Macedonia   (Komnenov, 2014) ||| Northern Ireland   (Lavery, 2019) ||| Norway   (Aakra & Hauge, 2003) ||| Poland   (Rozwałka & Stanska, 2008) ||| Slovakia   (Gajdoš et al., 1999) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Spain   (Branco et al., 2019) ||| Svalbard   (Coulson et al., 2014) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (Maurer & Hänggi, 1990) ||| Turkey (Asia)   (Danışman et al., 2025a) ||| Ukraine   (Kovblyuk & Kastrygina, 2015b) ||| United Kingdom   (Lavery, 2019) |||
References

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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

Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69 pdf

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

Cawley M (2001) Distribution records for uncommon spiders (Araneae) including five species new to Ireland. Bulletin of the Irish Biogeographical Society 25: 135-143 pdf

Coulson S J et al. (2014) The terrestrial and freshwater invertebrate biodiversity of the archipelagoes of the Barents Sea; Svalbard, Franz Josef Land and Novaya Zemlya. Soil Biology & Biochemistry 68: 440-470 pdf

Dahl M (1937) Spinnentiere oder Arachnoidea, VIII: Hahniidae, Argyronetidae. Die Tierwelt Deutschlands 33: 100-118 pdf

Danışman T, Kunt K B, Özkütük R S, Coşar İ (2025a) The checklist of the spiders of Turkey. Version 2025 [last updated 01 December 2025], online at http://www.spidersofturkey.info pdf

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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

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Kovblyuk M M, Kastrygina Z A (2015b) Updated catalogue of the spiders (Arachnida, Aranei) of the Crimea. Ukainska Entomofaunistyka 6(2): 1-81 pdf

Kovblyuk M M, Kastrygina Z A, Marusik Y M (2017) New data on Hahnia C.L. Koch, 1841 from Crimea (Aranei: Hahniidae). Turkish Journal of Zoology 41: 311-317 pdf

Kreuels M, Staudt A, Christian S (2019) Die Spinnenfauna von Luxemburg – eine Zusammenstellung der Nachweise aus den Jahren 1906-2018 (Arachnida: Araneae). Bulletin de la Société des naturalistes luxembourgeois 121: 203-230 pdf

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

Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212 pdf

Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468 pdf

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

Nuruyeva T V, Snegovaya N Y (2024c) New records of spiders (Arachnida: Aranei) from Azerbaijan. Euroasian Entomological Journal 23: 47-49 pdf

Ponomarev A V, Komarov Y E (2015) Spiders (Aranei) of the Republic of South Ossetia. The South of Russia: Ecology, Development 10(1): 116-147 pdf

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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

Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184 pdf

Scharff N, Gudik-Sørensen O (2006) Katalog over Danmarks edderkopper (Araneae). Catalogue of the spiders of Denmark (Araneae). Entomologiske Meddelelser 74: 3-71 pdf

Thaler K (1997b) Beiträge zur Spinnenfauna von Nordtirol - 3: "Lycosaeformia" (Agelenidae, Hahniidae, Argyronetidae, Pisauridae, Oxyopidae, Lycosidae) und Gnaphosidae (Arachnida: Araneida). Veröffentlichungen des Museum Ferdinandeum in Innsbruck 75/76: 97-146 pdf

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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

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