Leptothorax muscorum var. betulae Ruzsky, 1916 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Animalia phylum Arthropoda class Insecta order Hymenoptera family Formicidae genus Leptothorax species Leptothorax muscorum Name Homonyms Leptothorax muscorum betulae Ruzsky, 1916 Leptothorax muscorum var. betulae Ruzsky, 1916