Xylocelia crassicornis (Viereck, 1904) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Hymenoptera family Crabronidae genus Diodontus species Diodontus crassicornus Name Homonyms Xylocelia crassicornis (Viereck, 1904)