Pholcidae  C. L. Koch, 1850 / Psilochorus  Simon, 1893   2 species

Psilochorus simoni  (Berland, 1911)

Description
Male

Prosoma yellowish to light brown, slightly darkened in the middle. Legs yellowish to light brown. Opisthosoma bluish grey, egg-shaped. Spinnerets situated more anteriorly.

Body length male: 1.9-3.0 mm
Female

Epigyne appears as a simple transverse slit. Prosoma and legs yellowish to light grey. Opisthosoma very globular, grey with a bluish tinge.

Body length female: 1.9-3.0 mm
Additional information

In buildings, usually in wine cellars, in caves. Builds umbrella-shaped webs and hangs upside down

This species of North American origin is not native to Europe (alien species). It had been introduced to Europe at least once and did establish.

Troglophile species (Mammola et al., 2022)

Distribution
  Presence
  No data
Global distribution (WSC 2024): USA. Introduced to Europe, Turkey, New Zealand
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   (no references) ||| Belgium   (Bosmans & Van Keer, 2017) ||| Bulgaria   (Blagoev et al., 2018; Naumova et al., 2017) ||| Czechia   (Řezáč et al., 2021; Růžička & Řezáč, 2022a) ||| Denmark   (no references) ||| Faroe Islands   (Lissner et al., 2016b) ||| Finland   (Koponen et al., 2016) ||| France   (no references) ||| Germany   (no references) ||| Greece / Crete   (Bosmans et al., 2013) ||| Hungary   (Samu & Szinetár, 1999) ||| Ireland   (Lavery, 2019) ||| Italy   (Pantini & Isaia, 2019) ||| Italy / Sardinia   (Pantini & Isaia, 2019) ||| Luxembourg   (Kreuels et al., 2019) ||| Netherlands   (no references) ||| North Macedonia   (Komnenov, 2014) ||| Northern Ireland   (Lavery, 2019) ||| Norway   (Aakra & Hauge, 2003) ||| Poland   (Rozwałka & Stanska, 2008) ||| Russia, Eastern   (no references) ||| Serbia   (Komnenov & Pavićević, 2009) ||| Slovakia   (Svatoň et al., 2009) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Spain   (Branco et al., 2019) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (no references) ||| Turkey (Asia)   (Danışman et al., 2024a) ||| United Kingdom   (Lavery, 2019) |||
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

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) pdf

Bosmans R, Van Keer J, Russell-Smith A, Kronestedt T, Alderweireldt M, Bosselaers J, De Koninck H (2013) Spiders of Crete (Araneae). A catalogue of all currently known species from the Greek island of Crete. Nieuwsbrief van de Belgische Arachnologische Vereniging 28 (Suppl. 1): 1-147 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

Brændegaard J (1966) Edderkopper: Eller Spindlere I Danmarks Fauna 72: 1-224 pdf

Danışman T, Kunt K B, Özkütük R S, Coşar İ (2024a) The checklist of the spiders of Turkey. Version 2024 [last updated 01 January 2024], online at http://www.spidersofturkey.info pdf

Komnenov M (2014) Spider fauna of the Osogovo Mt. Range, Northeastern Macedonia. Fauna Balkana 2: 1-267 pdf

Komnenov M, Pavićević D (2009) New data on spider fauna (Araneae) of the city of Belgrade (part I). Protection of Nature 60: 189-194 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

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

Kritscher E (1970) Physocyclus simoni Berland 1911 (Aran., Pholcidae), eine für Österreich neue Spinnenart. Anzeiger der Österreichischen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Klasse 106: 138-142 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

Lissner J, Jensen J-K, Hansen L J, Simonsen W, Kelduni R, Nissen K (2016b) An updated checklist of spiders (Araneae) of the Faroe Islands. Norwegian Journal of Entomology 63: 197-240 pdf

Locket G H, Millidge A F (1951) British spiders. Vol. I. Ray Society, London, 310 pp. 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

Naumova M V, Blagoev G, Dimitrov D, Lazarov S, Deltshev C (2017) New data on the spider fauna (Arachnida: Araneae) of Bulgaria. Acta Zoologica Bulgarica 69: 477-481 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

Řezáč M, Růžička V, Hula V, Dolanský J, Machač O, Roušar A (2021) Spiders newly observed in Czechia in recent years – overlooked or invasive species? BioInvasions Records 10: 555-566 pdf

Roberts M J (1995) Collins Field Guide: Spiders of Britain & Northern Europe. HarperCollins, London, 383 pp. 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

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

Svatoň J, Gajdoš P, Černecká L, Franc V, Korenko S, Kovalčík R, Krumpálová Z (2009) Pavúky – Araneae. In: Mašán P, Mihál I (eds.), Pavúkovce Cerovej Vrchoviny. Arachnids of the Cerová Vrchovina Highland (Arachnida: Araneae, Pseudoscorpiones, Opiliones, Acari), Institute of Forest Ecology, Zvolen: 21-123 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
17-03-2023 Distribution insert Detail
17-03-2023 Distribution update Detail
05-08-2021 Distribution update Detail
06-05-2020 Distribution insert Detail
13-10-2017 Distribution update Detail
30-09-2015 Distribution update Detail
15-10-2013 Distribution update Detail