Lycaena nigrescens Courvoisier, 1911 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Lepidoptera family Lycaenidae genus Plebejus species Plebejus argus Name Homonyms Lycaena nigrescens Tutt, 1906 Lycaena nigrescens Dubois, 1867 Lycaena nigrescens Courvoisier, 1911 Lycaena nigrescens Fletcher, 1904