Nesticidae  Simon, 1894 / Kryptonesticus  Pavlek & Ribera, 2017   9 species

Kryptonesticus eremita  (Simon, 1880)


Conductor compact. Paracymbium long and unbranched with rounded end. Prosoma light yellow, prosoma length: 1.7-2.3 mm. Chelicerae with 3 promarginal teeth and 5 retromarginal denticles.

Body length male: 3.7-4.7 mm

Epigyne constricted to a narrow bar at posterior margin. Prosoma light yellowish, without a borderline, with a small dark median band. Prosoma length: 1.7-2.6. Sternum and appendages light yellowish. Eyes well developed, diameter of ALE 3 times the diameter of AME, PME almost 2 diameters apart. Opisthosoma light yellowish, almost uniform or with a faint pattern.

Body length female: 3.8-6 mm
Additional information

In caves and cellars.

Since a few decades, this species shows some spreading tendencies within Europe. Nevertheless, it shall not be listed as alien or invasive because it is native for Europe.

Troglophile species (Mammola et al., 2022)

Frequency: Widely distributed

  No data
Distribution comment: Denmark: J. Lissner (pers. comm.)
Global distribution (WSC 2023): Europe, Turkey. Introduced to New Zealand
Females with egg sacs in May.
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.

Albania   (Deltshev et al., 2011b; Blick, 2018) ||| Austria   (no references) ||| Bosnia and Herzegovina   (Komnenov, 2010) ||| Bulgaria   (Blagoev et al., 2018) ||| Croatia   (no references) ||| Denmark   (no references) ||| France   (no references) ||| France / Corsica   (no references) ||| Germany   (no references) ||| Greece   (no references) ||| Hungary   (Szabó & Szinetár, 2018) ||| Italy   (Pantini & Isaia, 2019) ||| Italy / Sardinia   (Pantini & Isaia, 2019) ||| Italy / Sicily   (Pantini & Isaia, 2019) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Switzerland   (no references) ||| Turkey (Asia)   (Danışman et al., 2023b) ||| Ukraine   (no references) ||| United Kingdom   (Lavery, 2019) |||

Blagoev G, Deltshev C, Lazarov S, Naumova M (2018) The spiders (Araneae) of Bulgaria. Version: August 2018. National Museum of Natural History, Bulgarian Academy of Sciences. Online at (accessed on 10.9.2018) pdf

Blick T (2018) A small collection of spiders (Arachnida: Araneae) from the River Vjosa, Albania – with an updated spider checklist of Albania. Acta ZooBot Austria 155: 213-232 pdf

Brignoli P M (1971d) Note su ragni cavernicoli italiani (Araneae). Fragmenta Entomologica 7: 121-229 pdf

Danışman T, Kunt K B, Özkütük R S, Coşar İ (2023b) The checklist of the spiders of Turkey. Version 2023 [last updated 17 July 2023], online at pdf

Deltshev C, Vrenozi B, Blagoev G, Lazarov S (2011b) Spiders of Albania – faunistic and zoogeographical review (Arachnida: Araneae). Acta Zoologica Bulgarica 63: 125-144 pdf

Gallon R, Farr G (2018) Kryptonesticus eremita (Simon, 1880), a Nesticidae spider new to Britain from Flat Holm Island. Newsletter of the British Arachnological Society 141: 13-15 pdf

Isaia M, Lana E, Paschetta M, Pantini P, Schönhofer A L, Christian E, Badino G (2011) Aracnidi sotterranei delle Alpi Occidentali italiane (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpiones)/ Subterranean Arachnids of the Western Italian Alps (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpiones). Monografie Del Museo Regionale di Scienze Naturali Torino 47: 1-325 pdf

Jäger P (1998a) Weitere Funde von Nesticus eremita (Araneae: Nesticidae) in Süddeutschland mit Angaben zur Taxonomie im Vergleich zu N. cellulanus. Arachnologische Mitteilungen 15: 13-20 pdf

Komnenov M (2010) Checklist of spiders (Araneae) of Bosnia and Herzegovina. Uzizaž i Biospeld 5(2009): 52-69 pdf

Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91 pdf

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

Lecigne S (2018b) Récits de chasses aranéologiques récentes dans plusieurs départements de France. Redécouverte de Philodromus buchari Kubcová, 2004 (Araneae: Philodromidae) et confirmation de la présence de Theridion harmsi Wunderlich, 2011 (Araneae: Theridiidae). Nieuwsbrief van de Belgische Arachnologische Vereniging 33: 59-99 pdf

Mammola S, Pavlek M, Huber B A, Ballarin F, Tolve M, Čupić I, Hesselberg T, Lunghi E, Mouron S, Graco-Roza C, Cardoso P (2022) A trait database and updated checklist for European subterranean spiders. Scientific Data 9(236): 1-13 pdf

Pantini P, Isaia M (2019) 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

Pesarini C (unpubl.)

Polchaninova N Y, Prokopenko E V (2013) Catalogue of the spiders (Arachnida, Aranei) of Left-Bank Ukraine. Arthropoda Selecta (Suppl.) 2: 1-268 pdf

Szabó G, Szinetár C (2018) [First records of the troglofil spider species, Kryptonesticus eremita (Simon, 1880) from Hungary (Araneae, Nesticidae)]. Biológia Savaria Természettudományi és Sporttudományi Közlemények 17: 109-115 pdf

Thaler K (1981b) Über Nesticus idriacus Roewer 1931 (Arachnida: Araneae: Nesticidae). Senckenbergiana Biologica 61: 271-276 pdf

Vink C J, Dupérré N (2011) Nesticus eremita (Araneae: Nesticidae): redescription of a potentially invasive European spider found in New Zealand. Journal of Arachnology 39: 511-514 pdf

WSC (2023) World Spider Catalog. Version 24. Natural History Museum Bern, online at (14.02.2023) doi: 10.24436/2 pdf

30-05-2023 Distribution update Detail
19-01-2021 Distribution update Detail
08-06-2020 Distribution update Detail
04-10-2018 Image insert
04-10-2018 Distribution update Detail
20-09-2018 Image insert
15-04-2018 Image insert
14-04-2018 Distribution update Detail
24-04-2015 Distribution update Detail
28-06-2014 Distribution update Detail