4mm. A glossy black beetle with a rounded profile and usually with obscure dark red markings in each elytra.

Several other Histeridae species

• 4mm
• With a gular lobe (a downward and forward pointing projection on the underside in front of the front legs)
• No depression on the pronotum
• Elytra with one subhumeral stria (=Margarinotus)
• Pronotum with one marginal stria
• Subhumeral stria runs along most of the elytral length
• Epipleura barely punctured
• Red patch on each elytra

Compost and dung.

April - September

Uncommon.

Rare.