Penthetria gracilis (Unger, 1841) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Diptera family Bibionidae genus Penthetria species Penthetria gracilis Name Synonyms Bibio gracilis Unger, 1841 Homonyms Penthetria gracilis (Unger, 1841) Penthetria gracilis (Heer, 1856)