Icaricia saepiolus, commonly known as the green hairstreak butterfly, is a small insect belonging to the Lycaenidae family. It is characterized by its vibrant green coloration on the upper side of its wings, which helps it blend in with its surroundings. This species is found in various habitats, including meadows, woodlands, and scrublands, across North America and Europe. The green hairstreak butterfly is known for its rapid flight and its preference for nectar-rich flowers as a food source.