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

Kryptonesticus eremita  (Simon, 1880)

Description
Male

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
Female

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. 2018)

Frequency: Widely distributed

Distribution
  Presence
  No data
Distribution comment: Denmark: J. Lissner (pers. comm.)
Global distribution (WSC 2020): Europe, Turkey. Introduced to New Zealand
Females with egg sacs in May.
Figures
Distribution List
Albania   ( no references ) ||| Austria   ( no references ) ||| Bosnia and Herzegovina   ( no references ) ||| Bulgaria   ( no references ) ||| Croatia   ( no references ) ||| Denmark   ( no references ) ||| France   ( no references ) ||| France / Corsica   ( no references ) ||| Germany   ( no references ) ||| Greece   ( no references ) ||| Hungary   ( no references ) ||| Italy   ( no references ) ||| Italy / Sardinia   ( no references ) ||| Italy / Sicily   ( no references ) ||| Slovenia   ( no references ) ||| Switzerland   ( no references ) ||| Turkey (Asia)   ( no references ) ||| Ukraine   ( no references ) ||| United Kingdom   ( no references ) |||
References

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 http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018)

Brignoli P M (1971b) Note su ragni cavernicoli italiani (Araneae). Fragm Ent (Roma) 7: 121-229

Danışman T, Kunt K B, Özkütük R S (2019) The checklist of the spiders of Turkey. Version 2019 [last updated 1 June 2019], online at http://www.spidersofturkey.info

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

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

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 XLVII: 1-325

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

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

Le Peru B (2011) The spiders of Europe, a synthesis of data: Volume 1 Atypidae to Theridiidae. Mémoires de la Société Linnéenne de Lyon 2: 1-522 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, Cardoso P, Ribera C, Pavlek M, Isaia M (2018b) A synthesis on cave-dwelling spiders in Europe. Zoological Systematics and Evolutionary Research 56: 301-316 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). http://araneae.it. 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). Senck Biol 61: 271-276

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

World Spider Catalog (2019) World Spider Catalog, version 20.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.09.2019) doi: 10.24436/2

Updates
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