Dock Bug

Coreus marginatus


Body length 10 - 12mm. A large brown Squash-bug with dark wing membranes. Two very small projections between the antennae are diagnostic.


Woodland edge and hedgerows, rough grassland. Anywhere where the food plant, Dock,  Rumex, grows.

Status and distribution

Common and widespread in the south-east, less common in the west and reaching no further north than Yorkshire. Common and widespread in Nottinghamshire and at Netherfield Lagoons.

Best time to see

May to November.