Pompilus difformis Niels., 1907 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Hymenoptera family Pompilidae genus Arachnospila species Arachnospila rufa Name Homonyms Pompilus difformis Schiødte, 1837 Pompilus difformis Niels., 1907