Linyphiidae  Blackwall, 1859 / Centromerus  Dahl, 1886   64 species

Centromerus semiater  (L. Koch, 1879)

Description

Male palp with long and narrow basal apophysis. Paracymbium with small denticle on median part. Epigyne with scapus, with 3-4 transverse folds. Prosoma yellow, with broad, black margin. Sternum yellowish, blackish darkened. Chelicerae yellowish, relatively long. Legs yellow, fine. Opisthosoma dark grey, sometimes with brighter median spot ventrally.

Body length male: 1.4-1.7 mm
Body length female: 1.4-1.7 mm
Additional information

in very humid moss, mostly in cattail region of water

Frequency: Rarely found

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2018): Europe, Russia
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
References

Aakra K, Morka G H, Antonson A, Farlund M, Wrånes R E, Frølandshagen R, Løvbrekke H, Furuseth P, Fjellberg A, Lemke M, Pfliegler W P, Andersen S, Olsen K M, Aadland B, Berggren K (2016) Spiders new to Norway (Arachnida, Araneae) with ecological, taxonomical and faunistic comments. Norwegian Journal of Entomology 63: 6-43

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

Farlund M (2012) Norwegian Spiders - Norske edderkopper. Online at http://crocea.wordpress.com/norsk-artsliste/

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

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.)

Miller F (1958a) Beitrag zur Kenntnis der tschechoslovakischen Spinnenarten aus der Gattung Centromerus Dahl. Acta Soc Entomol Cechoslov 55 (1): 71-91

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

Wiehle H (1960b) Beiträge zur Kenntnis der deutschen Spinnenfauna. Zool Jb Syst 88: 195-254

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
23-01-2017 Image insert
14-01-2017 Image insert
26-02-2014 Distribution update Old value