Psenulus frontalis (W.Fox, 1898) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Hymenoptera family Crabronidae genus Psenulus species Psenulus frontalis Name Synonyms Diodontus frontalis (W.Fox, 1898) Diodontus hesperus Pate, 1944 Diodontus occidentalis Malloch, 1933 Neofoxia frontalis (W.Fox, 1898) Psen frontalis W.Fox, 1898 Homonyms Psenulus frontalis (W.Fox, 1898)