Strymon rufofusca is a small butterfly species belonging to the family Lycaenidae. It is commonly known as the Dusky-blue Groundstreak. This insect has a wingspan of about 2-3 centimeters and is characterized by its dusky brown coloration with a hint of blue on the upper side of its wings. It is found in various habitats, including open fields, meadows, and forest edges, and is known to feed on nectar from a variety of flowering plants.