The specific name similis is based on its similarity to the species Amaurobius fenestralis.

The carapace is dark reddish-brown in colour, with a darker head area.

The top of the abdomen has a dark wedge shaped marking, edged with yellow towards the anterior.

[2] Amaurobius similis has a Holarctic distribution, and is found throughout Europe and the Caucasus.

[1] The species is found primarily in or around buildings, where it spins a web in holes in walls, fences and window frames.