''Coreus marginatus'', commonly called the dock bug, is a species of squash bug. It is a speckled brown insect with a broad abdomen, and is common in most parts of Europe. It is often found in dense vegetation, such as hedgerows and wasteland, where it mainly feeds on the leaves and seeds of docks and sorrels.
Specie identified by Joost Thissen
It is commonly found in the UK, especially in the south.