Melanostoma barbifrons Verrall, 1871 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Diptera family Syrphidae genus Melangyna species Melangyna quadrimaculata Name Homonyms Melanostoma barbifrons Verrall, 1871 Melanostoma barbifrons Verrall, 1871