Adult devil's coach horse, Ocypus olens (Staphylinidae, left) and brown garden snail, Cornu aspersum,, on which the predator feeds.

Adult staphylinid with a brown garden snail, 1X.; from San Francisco Credit: Larry L. Strand
Adult devil's coach horse, Ocypus olens (Staphylinidae, left) and brown garden snail, Cornu aspersum,, on which the predator feeds. Credit: Larry L. Strand