Linyphiidae  Blackwall, 1859 / Metopobactrus  Simon, 1884   8 species

Metopobactrus nadigi  Thaler, 1976

Tibial apophysis slender, with hook-shaped apophysis. Prosoma yellow-brownish, tinged with black. Male: with variable dorsal humps. Sternum blackish. Legs yellowish. Opisthosoma blackish. Body length male: 1.6 mm
Additional information
south-exposed dry meadow (CH), 1300 m, biology unknown
Character states from linyphiid key
  No data
Global distribution (WSC 2019): Switzerland, Austria, Italy

Hänggi A (1989) Beiträge zur Kenntnis der Spinnenfauna des Kantons Tessin II - Bemerkenswerte Spinnenfunde aus Magerwiesen der Montanstufe. Mitt Schweiz Entomol Ges 62: 167-174

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

Pantini P, Isaia M (2018) Checklist of the Italian spiders (version June 2018). online at pdf

Thaler K (1976b) Two remarkable relict Arachnids from northern Italy:  Sabacon simoni Dresco (Opiliones: Ischyropsalididae), Louisfaga rupicola (Simon) (Araneae: Tetragnathidae?). Bull Br Arachnol Soc 3 (8): 205-210

World Spider Catalog (2019) World Spider Catalog, version 20.5. Natural History Museum Bern, online at (20.09.2019) doi: 10.24436/2