Size: 3.5-4.5mm Basic colour: Uniformaly brassy black, surfaced dulled by fine microsculpture. Leg colour: Dark brown or black. Confusion species: Dyschirius thoracicus
Extremly local - Sussex, Kent and Norfolk in England. Lough Neagh in Ireland. Sometimes abundant.
Size: 7-8.5mm Basic colour: Shining blue or green metallic. Pronotoum: Elongate and narrower than the head, cylindrical without defined side margins. Leg colour: Brown.