Staphylinus opacus Block, 1799 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Coleoptera family Staphylinidae genus Bledius species Bledius opacus Name Homonyms Staphylinus opacus Gravenhorst, 1802 Staphylinus opacus Block, 1799