Linyphiidae  Blackwall, 1859 / Porrhomma  Simon, 1884   15 species

Porrhomma microps  (Roewer, 1931)


Prosoma width 0.75-0.95 mm. eyes small to reduced. Opisthosoma pale.

Body length male: 2.4-2.6 mm
Body length female: 2.3-3 mm
Additional information

In lowland forests, also in caves

Troglophile species (Mammola et al. 2018)

Character states from linyphiid key
  No data
Global distribution (WSC 2019): Europe

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)

Deltshev C, Lazarov S, Petrov B P (2003) A contribution to the study of spiders (Araneae) from the caves of Bulgaria. Acta zool bulg 55: 9-28

Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin pdf

Helsdingen P J van (1986a) The Porrhomma microphthalmum species-group. Bull Br Arachnol Soc 7: 11-16

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

Helsdingen P J van, IJland S (2011) Porrhomma microcavense Wunderlich, 1990 (Araneae, Linyphiidae) new for the Netherlands. Nieuwsbrief SPINED 31: 23-26 pdf

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

Løvbrekke H (unpubl.)

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

Miller F, Obrtel R (1975) Soil surface spiders in a lowland forest. Acta Sc Nat Brno 9: 1-40

Otto S (2017) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 08.2017. Internet:

Pantini P, Isaia M (2018) Checklist of the Italian spiders (version June 2018). online at 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, Růžička A (2019) Three-dimensional modelling in arachnology as exemplified using Porrhomma-species (Araneae: Linyphiidae). Arachnologische Mitteilungen 58: 1-3 pdf

Thaler K (1967) Zum Vorkommen von Troglohyphantes-Arten in Tirol und dem Trentino (Arachn., Araneae, Linyphiidae). Ber naturw-med Ver Innsbruck 55: 155-173

World Spider Catalog (2019) World Spider Catalog, version 20.0. Natural History Museum Bern, online at (20.01.2019) doi: 10.24436/2

21-06-2019 Image insert
21-09-2018 Image insert
21-10-2015 Distribution update Old value
22-08-2014 Image insert