Linyphiidae  Blackwall, 1859 / Porrhomma  Simon, 1884   15 species

Porrhomma convexum  (Westring, 1851)

Description

Cymbium 0.37-0.39 mm long. Prosoma width female: 0.76-0.87 mm, prosoma width male: 0.79-0.92 mm. Femur I male: 0.99-1.07 mm long.

Body length male: 2.2-3.2 mm
Body length female: 2.2-3.2 mm
Additional information

On runnels and on banks of creeks, in caves and mines, up to the alpine level

Troglophile species (Mammola et al. 2018)

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2018): USA, Canada, Greenland, Europe, Caucasus, Russia (Europe, West Siberia), Kazakhstan
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
References

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)

Brignoli P M (1975a) Ragni d'Italia XXV. Su alcuni ragni cavernicoli dell'Italia settentrionale (Araneae). Notiziario Circolo Speleologico Romano 20: 1-35

Deltshev C (2011a) The faunistic diversity of cave-dwelling spiders (Arachnida, Araneae) of Greece. Arachnologische Mitteilungen 40: 23-32

Demircan N, Topçu A (2016) First records for spider fauna of the European part of Turkey (Araneae). Serket 15: 85-91

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

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

Komnenov M (2011) Preliminary report on the results of investigation on the cave spider fauna in the frame of international speleological expedition to mountain Hekurave, south slopes of Prokletije, Albania. Progressione 57: 144-146 pdf

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

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

Pantini P, Isaia M (2017) Checklist of the Italian spiders (version May 2017). online at http://www.museoscienzebergamo.it/web/index.php?option=com_content&view=category&layout=blog&id=96&Itemid=94 pdf

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 pdf

Staudt A, Weber D, Nährig D (2013) Webspinnen (Arachnida,  Araneae) aus Höhlen des Grossherzogtums Luxemburgs. Ferrantia 69: 115-157

Wiehle H (1953) Spinnentiere oder Arachnoidea (Araneae), IX. Orthognatha-Cribellata-Haplogynae, Entelegynae (Pholcidae, Zodariidae, Oxyopidae, Mimetidae, Nesticidae). Tierwelt Deutschlands 42

Wiehle H (1956) Spinnentiere oder Arachnoidea, X. 28: Familie Linyphiidae-Baldachinspinnen. Tierwelt Deutschlands 44: 1-337

World Spider Catalog (2018) World Spider Catalog, version 19.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (15.07.2018) doi: 10.24436/2

Updates
20-09-2018 Image insert
30-04-2018 Distribution update Old value
20-04-2018 Image insert
07-10-2017 Distribution update Old value
21-10-2015 Distribution update Old value
01-10-2015 Distribution update Old value
15-01-2015 Image insert
01-12-2013 Distribution update Old value
19-08-2013 Image insert
28-04-2013 Distribution update Old value