Linyphiidae  Blackwall, 1859 / Diastanillus  Simon, 1926   1 species

Diastanillus pecuarius  (Simon, 1884)


Prosoma brownish. Sternum brownish, with grey reticulate pattern and margin. Chelicerae brownish. Legs yellowish. Opisthosoma whitish, sometimes suffused with grey.

Body length male: 1.5 mm
Body length female: 1.5-1.8 mm
Additional information

myrmecophilic in formicaries of Formica fusca and related species. Pyrenees, 1800-2600 m, further locations in Austria in the range of timberline and small bush heathland (2000-2300 m)

Quite widespread in nests of Formica sp. ants at about 700-800 m.a.s.l. in central parts of South Norway, but goes down to sea level in coastal localities in Nordland county, Northern Norway.

Frequency: Widely distributed

Character states from linyphiid key
  No data
Global distribution (WSC 2019): France, Austria, Norway

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

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

Løvbrekke H (unpubl.)

Thaler K (1969) Über einige wenig bekannte Zwergspinnen aus Tirol (Arachn., Araneae, Erigonidae). Ber Nat - Med Ver Innsbruck 57: 195-219

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

11-11-2018 Image insert
24-12-2015 Image insert