1) Arthropod family 2) Family staphylinidae 3) Rove beetles 
Staphylinidae is the rove beetles family of insects of the order Coleoptera. The rove beetles form the largest beetle family in Europe, with almost 2000 species, and nearly 1000 species in Britain. They generally have a short elytra, well developed membranous wings enabling them to fly, Most genera are predators, but some feed on fungi, algae, deca...
[n] - rove beetles
family Staphylinidae noun rove beetles