Appearance
Male palp with dorsally directed patellar apophysis, approximately as long as male palpal tibia. Epigyne with reddish brown median part, broadly rounded anteriorly. Body colour dark brown, dorsally with whitish pattern. Legs black, with bright hairs and strikingly robust spines.Body length male: 5-7 mm, Body length female: 5-7 mm

Behavior
Found mainly in heathland, diurnal, mostly on vegetation, where they walk around searching for prey.References:
Some text fragments are auto parsed from Wikipedia.
http://www.araneae.unibe.ch/data/563/Oxyopes_heterophthalmus