Porrhomma egeria Simon, 1884
Description
Male palp with short upper apophysis, weakly sclerotised. Prosoma width female: 0.77-0.84 mm. eyes reduced, distance posterior median eyes to posterior lateral eyes 2.4-5.4 diameter.
Body length male: 2.3-3.2 mmBody length female: 2.3-3.2 mm
Additional information
from the lowland to alpine region, under rocky debris, in caves
Troglophile species (Mammola et al. 2018)
Character states from linyphiid key
Distribution
Phenology
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Figures
Pedipalp, ventral view
(Heimer & Nentwig 1991)
Pedipalp, ventral view
(Wiehle 1956)
Pedipalp, ventral view
(Roberts 1987)
Tip of pedipalp
(Roberts 1987)
Embolic division
(Locket & Millidge 1953)
Embolic division
(Løvbrekke unpubl.)
Embolic division
(Růžička 2018)
Bulbal apophysis
(Løvbrekke unpubl.)
Epigyne
(Wiehle 1956)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Locket & Millidge 1953)
Epigyne
(Miller & Obrtel 1975)
Epigyne
(Růžička 2018)
Vulva
(Heimer & Nentwig 1991)
Vulva
(Wiehle 1956)
Vulva
(Locket & Millidge 1953)
Vulva, ventral view
(Miller & Obrtel 1975)
Vulva, dorsal view
(Miller & Obrtel 1975)
Vulva, dorsal view
(Løvbrekke unpubl.)
Vulva, caudal view
(Růžička 2018)
Vulva, dorsal view
(Růžička 2018)
Vulva, ventral view
(Růžička 2018)
Vulva, caudal view
(Růžička & Růžička 2019)
Vulva, dorsal view
(Růžička & Růžička 2019)
Prosoma, frontal view
(Løvbrekke unpubl.)
Eyes, dorsal view
(Roberts 1987)
Eyes, frontal view
(Růžička 2018)
Femur I
(Løvbrekke unpubl.)
Habitus
(Løvbrekke unpubl.)
Eyes, dorsal view
(Wiehle 1956)
Eyes, dorsal view
(Locket & Millidge 1953)
Eyes, dorsal view
(Miller & Obrtel 1975)
References
Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152 
Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin
Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org
Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91
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 (1953) British Spiders 2. Ray Soc London
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
Miller F, Obrtel R (1975) Soil surface spiders in a lowland forest. Acta Sc Nat Brno 9: 1-40
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. [Old pdf-version: Checklist of the Italian spiders (version June 2018). online at Pantini_&_Isaia_- _Checklist_of_the_Italian_spiders._June_2018.] Fragmenta Entomologica 51: 127-152
Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester
Růžička V (2018) A review of the spider genus Porrhomma (Araneae, Linyphiidae). Zootaxa 4481: 1-75
Růžička V, Růžička A (2019) Three-dimensional modelling in arachnology as exemplified using Porrhomma-species (Araneae: Linyphiidae). Arachnologische Mitteilungen 58: 1-3
Staudt A, Weber D, Nährig D (2013) Webspinnen (Arachnida, Araneae) aus Höhlen des Grossherzogtums Luxemburgs. Ferrantia 69: 115-157
Wiehle H (1956) Spinnentiere oder Arachnoidea, X. 28: Familie Linyphiidae-Baldachinspinnen. Tierwelt Deutschlands 44: 1-337
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
| 21-06-2019 | Image insert | |
| 21-09-2018 | Image insert | |
| 28-04-2013 | Distribution update | Old value |