Syrphus topiarius Walker, 1851 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Diptera family Syrphidae genus Syrphus species Syrphus torvus Name Homonyms Syrphus topiarius Meigen, 1822 Syrphus topiarius Walker, 1851