Cionus rectangulus (J.F.W.Herbst, 1795) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Coleoptera family Curculionidae genus Stereonychus species Stereonychus fraxini Name Homonyms Cionus rectangulus (J.F.W.Herbst, 1795)