Four, see text Satyrium calanus, the banded hairstreak, is a butterfly in the family Lycaenidae.

The banded hairstreak is a common hairstreak east of the Rocky Mountains in North America.

Listed alphabetically:[2] Eggs are laid singly on the host plants and hatch in the spring.

There is a single brood that flies early June to late August.

[3] Host plants include oak, hickory, and walnut (especially butternut).