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 mmBody 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. 2018b)
Character states from linyphiid key
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp, retrolateral view
(Wiehle 1956)
Pedipalp, retrolateral view
(Roberts 1987)
Pedipalp, prolateral view
(Wiehle 1956)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Pedipalp, prolateral view
(Løvbrekke unpubl.)
Tip of pedipalp
(Roberts 1987)
Embolic division
(Heimer & Nentwig 1991)
Embolic division
(Locket & Millidge 1953)
Embolic division
(Løvbrekke unpubl.)
Embolic division
(Růžička 2018)
Eyes, frontal view
(Løvbrekke unpubl.)
Habitus
(Løvbrekke unpubl.)
Epigyne
(Wiehle 1953)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Locket & Millidge 1953)
Epigyne
(Løvbrekke unpubl.)
Epigyne
(Růžička 2018)
Vulva
(Heimer & Nentwig 1991)
Vulva
(Brignoli 1975a)
Vulva
(Locket & Millidge 1953)
Vulva, dorsal view
(Løvbrekke unpubl.)
Vulva, ventral view
(Løvbrekke unpubl.)
Vulva, caudal view
(Růžička 2018)
Vulva, dorsal view
(Růžička 2018)
Vulva, ventral view
(Růžička 2018)
Vulva, dorsal view
(Fjellberg unpubl.)
Eyes, frontal view
(Růžička 2018)
Habitus, dorsal view
(Fjellberg unpubl.)
Eyes, dorsal view
(Wiehle 1956)
Eyes, dorsal view
(Wiehle 1956)
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 
Fjellberg A (unpubl.)
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
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
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 et al. (2019b) Continental data on cave-dwelling spider communities across Europe (Arachnida: Araneae). [et al. = Cardoso P, Angyal D, Balázs G, Blick T, Brustel H, Carter J, Ćurčić S, Danflous S, Dányi L, Déjean S, Deltshev C, Elverici M, Fernández J, Gasparo F, Komnenov M, Komposch C, Kováč L, Kunt K B, Mock A, Moldovan O, Naumova M, Pavlek M, Prieto C E, Ribera C, Rozwałka R, Růžička V, Vargovitsh R S, Zaenker S, Isaia M] Biodiversity Data Journal 7(e38492): 1-15
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
Otto S (2019) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 10.2019. Internet: caucasus-spiders.info.
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. Fragmenta Entomologica 51: 127-152
Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App
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
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 (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
| 07-01-2020 | Distribution update | Old value |
| 06-01-2020 | Image insert | |
| 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 |