Diastanillus pecuarius (Simon, 1884)
Description
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 mmBody 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
Distribution
Figures
Pedipalp
(Thaler 1969)
Pedipalp
(Thaler 1969)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Palpal tibia, dorsal view
(Løvbrekke unpubl.)
Tibial apophysis
(Thaler 1969)
Prosoma, dorsal view
(Thaler 1969)
Prosoma, lateral view
(Thaler 1969)
Prosoma, dorsal view
(Løvbrekke unpubl.)
Prosoma, lateral view
(Løvbrekke unpubl.)
Epigyne, ventral view
(Aakra et al. 2016)
Epigyne, ventral view
(Aakra et al. 2016)
Epigyne, ventral view
(Løvbrekke unpubl.)
Vulva
(Thaler 1969)
Vulva
(Aakra et al. 2016)
Vulva, dorsal view
(Løvbrekke unpubl.)
Vulva, ventral view
(Fjellberg unpubl.)
Vulva, dorsal view
(Fjellberg unpubl.)
Prosoma, lateral view
(Thaler 1969)
Prosoma, dorsal view
(Fjellberg unpubl.)
Distribution List
"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.
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 
Fjellberg A (unpubl.) .
Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468
Løvbrekke H (unpubl.)
Thaler K (1969) Über einige wenig bekannte Zwergspinnen aus Tirol (Arachn., Araneae, Erigonidae). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 57: 195-219
Thaler K (1999b) Beiträge zur Spinnenfauna von Nordtirol - 6. Linyphiidae 2: Erigoninae (sensu Wiehle) (Arachnida: Araneida). Veröffentlichungen des Tiroler Landesmuseums Ferdinandeum 79: 215-264
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2
Updates
| 04-09-2025 | Distribution update | Detail |
| 23-12-2019 | Image insert | |
| 11-11-2018 | Image insert | |
| 24-12-2015 | Image insert |