Andrena birtwelli Cockerell, 1901 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Hymenoptera family Andrenidae genus Andrena species Andrena birtwelli Name Synonyms Andrena birtwelli subatrata Cockerell, 1931 Andrena moesticolor Viereck & Cockerell, 1914 Andrena potentillarum Viereck, 1924 Homonyms Andrena birtwelli Cockerell, 1901