Pemphredon grinnelli (Rohwer, 1910) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Hymenoptera family Crabronidae genus Pemphredon species Pemphredon grinnelli Name Synonyms Cemonus giffardi Rohwer, 1917 Ceratophorus grinnelli Rohwer, 1910 Ceratophorus grinnelli utahensis Rohwer, 1911 Homonyms Pemphredon grinnelli (Rohwer, 1910)