Eresus kollari (Rossi, 1846)

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Look for the description of the species at the bottom of the page.

Description of Eresus kollari

Physical Characteristics

Subadult males have the same physical characteristics as females.

Female 8 to 16 mm.
Abdomen dark grey to black, sometimes with scattered yellow-white hairs.
Carapace dark grey to black with scattered yellow-white hairs.
Legs and palps dark grey to black with scattered yellow-white hairs and yellow-white joints.

Male 6 to 11 mm.
Abdomen dorsally red with four white-outlined black spots. Ventral side black.
Carapace black with scattered white hairs and a red border. Chelicerae black with bushy hair.
Legs black with white annulations. Pair of legs III and IV from femur to metatarsus red. Pair of legs II sometimes with red femora.
Palps black.


Warm, sandy areas with open vegetation and lots of Sun.


Occurs in almost the whole of Europe, but rare.


All year. Males can be found above ground in autumn, looking for a female.