Colour variable from the blue, passing into violet to green or almost black.

Elytra and pronotum wrinkled, granular structure.

Predator, feeding on terrestrial molluscs - mainly land snail.

Eating bugs do not bite the snail shell, shellfish and eating away dipping his head and pronotum at the mouth of the shell.

Well-fed beetles can burrow into the soil for a few days.