Size 2.1 to 2.8 mm. Prosoma brown to red-brown. Legs yellow-orange. Opisthosoma black.

This species can only be confirmed by examination of the genitalia of mature specimens.

Mainly found in woodland, on bushes, trees and herbaceous vegetation. 

Spring to Autumn.

Widespread in central southern England becoming more localised and scattered elsewhere.

In Leicestershire the species is abundant on evergreen trees and shrubs in churchyards and urban parks. 

http://srs.britishspiders.org.uk/portal.php/p/Summary/s/Hypomma+cornutum