Homidia nigrocephala f. principalis R.Yosii, 1955 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Animalia phylum Arthropoda class Collembola order Entomobryomorpha family Entomobryidae genus Homidia species Homidia nigrocephala Name Homonyms Homidia nigrocephala f. principalis R.Yosii, 1955