Idaea impexa (Butler, 1879) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Lepidoptera family Geometridae genus Idaea species Idaea impexa Name Synonyms Acidalia impexa Butler, 1879 Idaea impura Kirby, 1881 Sterrha usumona Imaidzumi, 1942 Homonyms Idaea impexa (Butler, 1879)