Ceratophorus grinnelli utahensis Rohwer, 1911 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Hymenoptera family Crabronidae genus Pemphredon species Pemphredon grinnelli Name Homonyms Ceratophorus grinnelli utahensis Rohwer, 1911