Any of numerous beetles constituting the family Staphylinidae, having elongated bodies with short elytra that leave most of the abdomen visible, and…

A European rove beetle, Rugilus fragilis, with a slender red thorax. Obsolete. rare.

An insect belonging to the Staphylinidæ or rove-beetles, a coleopterous order of which the typical genus is Staphylinus.