Aphis alni De Geer, 1773 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Hemiptera family Aphididae genus Pterocallis species Pterocallis alni Name Homonyms Aphis alni Schrank, 1801 Aphis alni De Geer, 1773 Aphis alni Fabricius, 1781