Proctacanthella willistoni Fisher & Wilcox, 1987 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Diptera family Asilidae genus Proctacanthella species Proctacanthella willistoni Name Synonyms Asilus leucopogon Williston, 1893 Proctacanthella leucopogon (Williston, 1893) Williston Homonyms Proctacanthella willistoni Fisher & Wilcox, 1987