Resources:
Linyphiidae  Blackwall, 1859 / Porrhomma  Simon, 1884   18 species

Porrhomma profundum M. Dahl, 1939

Description

Prosoma length: 0.73-0.79 mm. Eyes reduced.

Additional information

Troglophile species (Mammola et al. 2018b)

Only in caves (Růžička 2018)

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2026): Germany, Czechia, Slovakia, Hungary, Romania, Serbia, Bulgaria
Figures
Distribution List
Bulgaria   (Růžička, 2018) ||| Czechia   (Růžička, 2018; Růžička & Řezáč, 2022a) ||| Germany   (Růžička, 2018) ||| Hungary   (Samu & Szinetár, 1999) ||| Romania   (Weiss & Petrișor, 1999) ||| Serbia   (Deltshev et al., 2003b) ||| Slovakia   (Růžička, 2018; Gajdoš et al., 1999) |||
References

Deltshev C D, Ćurčić B P M, Blagoev GA (2003b) The spiders of Serbia. Inst. Zoology, Fac. Biology, Belgrade & Inst. Zoology, Bulg. Acad. Sci., Sofia. 832 pp.

Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.

Kratochvíl J (1934) Pregled pecinskih paukova u Jugoslaviji [Liste générale des Araignées cavernicoles en Yougoslavie]. Prirodoslovne Razprave 2: 165-226 pdf

Mammola S, Pavlek M, Huber B A, Isaia M, 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

Miller F, Obrtel R (1975) Soil surface spiders in a lowland forest. Přírodovědné práce ústavů Československé Akademie Věd v Brně (N.S.) 9(4): 1-40 pdf

Růžička V (2009) The European species of the microphthalmum-group in the genus Porrhomma (Araneae: Linyphiidae). Contributions to Natural History 12: 1081-1094 pdf

Růžička V (2018) A review of the spider genus Porrhomma (Araneae, Linyphiidae). Zootaxa 4481: 1-75 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

Růžička V, Růžička A (2019) Three-dimensional modelling in arachnology as exemplified using Porrhomma-species (Araneae: Linyphiidae). Arachnologische Mitteilungen 58: 1-3 pdf

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

Thaler K (1983a) Bemerkenswerte Spinnenfunde in Nordtirol (Österreich) und Nachbarländern: Deckennetzspinnen, Linyphiidae (Arachnida: Aranei). Veröffentlichungen des Museum Ferdinandeum in Innsbruck 63: 135-167 pdf

Weiss I, Petrișor A (1999) List of the spiders (Arachnida: Araneae) from Romania. Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” 41: 79-107 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2 pdf

Updates
13-10-2025 Distribution update Detail
24-01-2024 Distribution update Detail
10-06-2021 Distribution update Detail
28-09-2019 Distribution update Detail
21-06-2019 Image insert
21-09-2018 Distribution update Detail
21-09-2018 Image insert
22-08-2014 Image insert