Devil's Coach-horse
Staphylinus olens
Length 24mm
An all-black, long-bodied beetle the abdominal segments of which are not covered by the elytra. If threatened, curls up abdomen and opens jaws. Shelters during daytime under stones and logs. Emerges after dark to feed on invertebrates. In autumn, may venture indoors. Common and widespread in hedgerows and gardens.