Madarus barbatulus Casey, 1922 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Coleoptera family Curculionidae genus Conoproctus species Conoproctus quadripustulatus Name Homonyms Madarus barbatulus A.Hustache, 1938 Madarus barbatulus Casey, 1922