? xylostei De Geer, 1773 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Arthropoda class Insecta order Hemiptera family Aphididae genus Prociphilus species Prociphilus xylostei Name Homonyms ? xylostei De Geer, 1773 ? xylostei Pers. ? xylostei Schrank, 1801