Leona’s Little Blue (Philotiella leona)

Leona’s little blue butterfly is one of the rarest butterflies in the world. It is a small butterfly with a 0.75-inch wing width. Leona’s Little Blue is native to Klamath County, Oregon, United States, and is the only butterfly endemic to Oregon. You can only find it in a specific area in Oregon: six square miles of ash-pumice habitat southeast of Crater Lake.