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 mmFemale
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 mmAdditional 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
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
 |  |
Figures
Pedipalp
(Brændegaard 1966)
Pedipalp
(Kritscher 1970)
Pedipalp
(Kritscher 1970)
Pedipalp
(Roberts 1995)
Pedipalp
(Locket & Millidge 1951)
Habitus, lateral view
(Kritscher 1970)
Epigyne
(Brændegaard 1966)
Epigyne
(Kritscher 1970)
Epigyne
(Roberts 1995)
Epigyne
(Locket & Millidge 1951)
Prosoma, dorsal view
(Kritscher 1970)
Chelicerae, lateral view
(Locket & Millidge 1951)
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.
References
Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 
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)
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
Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254
Brændegaard J (1966) Edderkopper: Eller Spindlere I Danmarks Fauna 72: 1-224
Danışman T, Kunt K B, Özkütük R S, Coşar İ (2024) The checklist of the spiders of Turkey. Version 2024 [last updated 01 January 2024], online at http://www.spidersofturkey.info
Komnenov M (2014) Spider fauna of the Osogovo Mt. Range, Northeastern Macedonia. Fauna Balkana 2: 1-267
Komnenov M, Pavićević D (2009) New data on spider fauna (Araneae) of the city of Belgrade (part I). Protection of Nature 60: 189-194
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
Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91
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
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
Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001]
Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212
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
Locket G H, Millidge A F (1951) British spiders. Vol. I. Ray Society, London, 310 pp.
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
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
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
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
Roberts M J (1995) Collins Field Guide: Spiders of Britain & Northern Europe. HarperCollins, London, 383 pp.
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
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
Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184
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
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