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Linyphiidae  Blackwall, 1859 / Porrhomma  Simon, 1884   15 species

Porrhomma pygmaeum  (Blackwall, 1834)

WSC LSID urn:lsid:nmbe.ch:spidersp:012428

Key to genera | Key to species

Description

Cymbium 0.28-0.31 mm long. Prosoma width female: 0.62-0.68 mm, prosoma width male: 0.64-0.7 mm. Femur I 0.75 mm.

Body length male: 1.9-2.2 mm
Body length female: 2-3 mm
Additional information

In damp localities like bogs, near water or bog forests

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2021): Europe, Turkey, Caucasus, Russia (Europe to Far East), Central Asia, Pakistan, Japan
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp
(Wiehle 1956)

species

male Pedipalp, ventral view
(Roberts 1987)

species

male Tip of pedipalp
(Roberts 1987)

species

male Embolic division
(Heimer & Nentwig 1991)

species

male Embolic division
(Locket & Millidge 1953)

species

male Embolic division
(Løvbrekke unpubl.)

species

male Embolic division
(Růžička 2018)

species

male Bulbal apophysis
(Løvbrekke unpubl.)

species

male Prosoma, lateral view
(Fjellberg unpubl.)

species

male Eyes, frontal view
(Løvbrekke unpubl.)

species

male Habitus
(Løvbrekke unpubl.)

species

female Epigyne
(Wiehle 1956)

species

female Epigyne
(Roberts 1987)

species

female Epigyne
(Roberts 1987)

species

female Epigyne
(Roberts 1987)

species

female Epigyne
(Roberts 1987)

species

female Epigyne
(Roberts 1987)

species

female Epigyne
(Locket & Millidge 1953)

species

female Epigyne
(Løvbrekke unpubl.)

species

female Epigyne
(Růžička 2018)

species

female Vulva
(Heimer & Nentwig 1991)

species

female Vulva
(Locket & Millidge 1953)

species

female Vulva, ventral view
(Løvbrekke unpubl.)

species

female Vulva, dorsal view
(Løvbrekke unpubl.)

species

female Vulva, caudal view
(Růžička 2018)

species

female Vulva, dorsal view
(Růžička 2018)

species

female Vulva, ventral view
(Růžička 2018)

species

female Eyes, frontal view
(Růžička 2018)

species

Eyes, dorsal view
(Wiehle 1956)

Distribution List
Armenia   (Otto, 2020) ||| Austria   (no references) ||| Azerbaijan   (Otto, 2020) ||| Belarus   (Ivanov, 2013) ||| Belgium   (no references) ||| Bulgaria   (Blagoev et al., 2018) ||| Croatia   (no references) ||| Czechia   (no references) ||| Denmark   (no references) ||| Estonia   (no references) ||| Finland   (Koponen et al., 2016) ||| France   (no references) ||| France / Corsica   (no references) ||| Georgia   (Otto, 2020) ||| Germany   (no references) ||| Greece   (no references) ||| Hungary   (Samu & Szinetár, 1999) ||| Ireland   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Kosovo   (no references) ||| Latvia   (Cera, 2018) ||| Lithuania   (no references) ||| Luxembourg   (Kreuels et al., 2019) ||| Moldova   (no references) ||| Montenegro   (no references) ||| Netherlands   (no references) ||| North Macedonia   (no references) ||| Northern Ireland   (no references) ||| Norway   (Aakra & Hauge, 2003) ||| Poland   (no references) ||| Portugal   (Branco et al., 2019) ||| Romania   (no references) ||| Russia, Central   (no references) ||| Russia, Eastern   (no references) ||| Russia, Kaliningrad Region   (no references) ||| Russia, Northern   (no references) ||| Russia, Southern   (Otto, 2020) ||| Russia, Western   (no references) ||| Serbia   (no references) ||| Slovakia   (no references) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Spain   (Branco et al., 2019) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (no references) ||| Ukraine   (Polchaninova & Prokopenko, 2019) ||| United Kingdom   (no references) |||
References

Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 pdf

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) pdf

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). [N.B.: few records from this paper are not taken over and not commented] Zootaxa 4614: 201-254 pdf

Cera I (2018) The checklist of Latvian spiders (Arachnida: Araneae). Environmental and Experimental Biology 16: 139-152 pdf

Fjellberg A (unpubl.)

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

Ivanov V V (2013) The checklist of Belarusian spiders (Arachnida, Araneae). Zoology and Ecology 4: 293-311 pdf

Koponen S, Fritzén N R, Pajunen T (2016) Checklist of spiders in Finland (Araneae). 6th version, December 2016, online at http://biolcoll.utu.fi/arach/checklist_of_spiders_in_Finland.htm pdf

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

Kreuels M, Staudt A, Christian S (2019) Die Spinnenfauna von Luxemburg – eine Zusammenstellung der Nachweise aus den Jahren 1906-2018 (Arachnida: Araneae). Bulletin de la Société des naturalistes luxembourgeois 121: 203-230 pdf

Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001] pdf

Locket G H, Millidge A F (1953) British spiders. Vol. II. Ray Society, London, 449 pp. pdf

Løvbrekke H (unpubl.)

Otto S (2020) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 03.2020. 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 pdf

Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App pdf

Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp. pdf

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

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

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

WSC (2021) World Spider Catalog. Version 21.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (03.01.2021) doi: 10.24436/2 pdf

Updates
14-05-2020 Distribution insert Detail
06-01-2020 Image insert
21-09-2018 Image insert
19-08-2013 Image insert