Amaurobiidae  Thorell, 1870 / Amaurobius  C. L. Koch, 1837   35 species

Amaurobius pesarinii  Ballarin & Pantini, 2017


Prosoma: length 3.32–4.44, width 2.40–3.00

Prosoma yellowish-brown with central darker striae; eye region brown. AM smaller than PM. Chelicerae light brownish, frontally swollen, with 5 anterior and 3 posterior teeth. Labium and gnathocoxae uniformly light brown, sternum yellowish-brown (as prosoma), without pattern. Dorsal side of the abdomen gray
with yellowish cardiac mark and additional markings of the same color, ventral side gray with yellowish markings. Legs uniformly yellowish-brown.

Body length male: 6.75–9.33 mm

Prosoma: length 3.64–4.69, width 2.18–3.10

Colouration as male.

Body length female: 6.97–9.30 mm
  No data
Global distribution (WSC 2018): Italy

Ballarin F, Pantini P (2017) A new species of Amaurobius C.L. Koch, 1837 (Araneae: Amaurobiidae) from Apennine Mountains (Italy) with the description of the male of A. pavesii Pesarini, 1991. Zootaxa 4276: 479-502

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

World Spider Catalog (2018) World Spider Catalog. Natural History Museum Bern, online at, version 19.0, accessed on 14.01.2018. doi: 10.24436/2

16-06-2017 Image insert
16-06-2017 Distribution update Old value