Males: 2 to 3 mm, females: 2 to 3.2 mm. Variable in appearance but generally dark, abdomen often with paler chevrons.

Kaestneria dorsalis

• Tibial spines 2-2-2-2;
• TmIV: absent;
• TmI: 0.20 to 0.29

Microscopic examination of genitalia is required to confirm identity.

Grassland and scrub. 

All year round.

Widespread in much of Britain, becoming scattered in the north.

Common and widespread in Leicestershire and Rutland.

http://srs.britishspiders.org.uk/portal.php/p/Summary/s/Kaestneria+pullata