Length. 4 to 5 mm. Prosoma yellowish with wide black margins extending to the eye area. A median strip or another type of prosoma drawing is not pronounced. Opisthosoma dorsally brown to grey base colour and a clear white spot or plate-like marbling, dark longitudinal median line. Ventral usually also with a dark longitudinal band. Legs yellowish with dark bands on the joints.

Distinctive appearance. Tibial spines: 2222

Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed.

Occurs on bushes and low vegetation in damp places in a variety of habitats.

Adults mostly found in summer and autumn.

The species is widespread in much of England, especially the south east, but infrequent.

Generally uncommon. 

http://srs.britishspiders.org.uk/portal.php/p/Summary/s/Floronia+bucculenta