Crabro megacephalus Rohwer, 1908 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Hymenoptera family Crabronidae genus Ectemnius species Ectemnius dilectus Name Homonyms Crabro megacephalus Rossi, 1790 Crabro megacephalus F.Smith, 1873 Crabro megacephalus Rohwer, 1908