Glaucopsyche lygdamus nittanyensis F. Chermock, 1945;  Comments: differs in size, maculation and habitat preference TL: USA (Pa).

Glaucopsyche lygdamus nittanyensis ♂ USA: OKLAHOMA, Le Flore County, Ouachita National Forest, Beech Creek, 10-IV-2014.   —   © Bryan E. Reynolds