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Linyphiidae  Blackwall, 1859 / Centromerita  Dahl, 1912   2 species

Centromerita bicolor  (Blackwall, 1833)

WSC LSID urn:lsid:nmbe.ch:spidersp:009707

Key to genera | Key to species

Description
Paracymbium with pointed process on terminal part. Tibia of male male palp with lots of long hairs. Epigyne densely haired, with broad scapus, triangular. Anterior epigynal plate wider than long. Prosoma yellowish-brown, with black margin. Sternum almost black. Chelicerae red-brown, with 3 anterior and 5 posterior denticles on cheliceral furrow margin. Legs red-brown, anterior legs mostly distinctly darker than the other legs. Opisthosoma dark grey to black. Spinnerets red-brown. Body length male: 2.5-3.5 mm
Body length female: 3-4 mm
Additional information
often found in moss layer of open, not too damp forests

Frequency: Not rare

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2019): USA, Canada, Europe
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
species

male Pedipalp, ventral view
(Wiehle 1956)

species

male Pedipalp
(Roberts 1987)

species

male Pedipalp
(Locket & Millidge 1953)

species

male Pedipalp, retrolateral view
(Løvbrekke unpubl.)

species

male Paracymbium
(Løvbrekke unpubl.)

species

male Paracymbium
(Løvbrekke unpubl.)

species

male Tibial apophysis
(Wiehle 1956)

species

male Prosoma, lateral view
(Løvbrekke unpubl.)

species

male Leg I
(Løvbrekke unpubl.)

species

male Leg IV
(Løvbrekke unpubl.)

species

female Epigyne
(Wiehle 1956)

species

female Epigyne
(Roberts 1987)

species

female Epigyne
(Roberts 1987)

species

female Epigyne
(Locket & Millidge 1953)

species

female Epigyne
(Locket et al. 1974)

species

female Epigyne
(Løvbrekke unpubl.)

species

female Epigyne
(Løvbrekke unpubl.)

species

female Epigyne
(Løvbrekke unpubl.)

species

female Epigyne, variation
(Løvbrekke unpubl.)

species

female Vulva
(Wiehle 1956)

species

female Vulva
(Løvbrekke unpubl.)

species

female Vulva
(Løvbrekke unpubl.)

species

female Prosoma, dorsal view
(Løvbrekke unpubl.)

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)

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

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 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

Locket G H, Millidge A F, Merrett P (1974) British Spiders 3. Ray Soc London

Løvbrekke H (unpubl.)

Pantini P, Isaia M (2018) Checklist of the Italian spiders (version June 2018). online at http://www.museoscienzebergamo.it/web/index.php?option=com_content&view=category&layout=blog&id=96&Itemid=94 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

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

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

Updates
12-12-2018 Image insert
11-11-2018 Image insert