Callophrys augustinus, the brown elfin, is butterfly of the family Lycaenidae. It is found from Newfoundland north and west through the northern United States and the prairie provinces to Alaska. To the south, it ranges in Appalachian Mountains to northern Georgia and northern Alabama, further south through the western mountains to northern Baja California in Mexico. Subspecies iroides is known as the western elfin. <from Wikipedia>
Western Brown Elfin from Wiley lake on May 19, 2020. It is feeding on Labrador Tea, apparently one of its many host plants. Spotted by Barry Saxifrage.
