Dianthidium ulkei (Cresson, 1878) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Hymenoptera family Megachilidae genus Dianthidium species Dianthidium ulkei Name Synonyms Anthidium davidsoni Cockerell, 1904 Anthidium ulkei Cresson, 1878 Dianthidium davidsoni Cockerell, 1904 Dianthidium ulkei reductum Timberlake, 1943 Homonyms Dianthidium ulkei (Cresson, 1878)