Western Pygmy Blue (Brephidium exile) - This tiny butterfly is found in western North America and has a wingspan of just 0.5-0.75 inches (12-19 mm).
Pygmy Blue (Brephidium sp.) - This group of butterflies includes several species found in North and South America, with wingspans ranging from 0.5-0.75 inches (12-19 mm).
Small Blue (Cupido minimus) - This butterfly is found in Europe and Asia, with a wingspan of just 0.6-0.8 inches (15-20 mm).
Least Skipper (Ancyloxypha numitor) - This butterfly is found in North America and has a wingspan of just 0.75-1 inch (19-25 mm).
Western Tailed Blue (Cupido amyntula) - This butterfly is found in western North America and has a wingspan of just 0.75-1 inch (19-25 mm).
Small Copper (Lycaena phlaeas) - This butterfly is found in Europe, Asia, and North America, with a wingspan of just 0.8-1.2 inches (20-30 mm).
Acadian Hairstreak (Satyrium acadica) - This butterfly is found in North America and has a wingspan of just 0.9-1.1 inches (23-28 mm).
Eastern Tailed Blue (Cupido comyntas) - This butterfly is found in eastern North America and has a wingspan of just 0.9-1.2 inches (23-30 mm).
Blue-Spotted Hairstreak (Satyrium saepium) - This butterfly is found in North America and has a wingspan of just 1-1.2 inches (25-30 mm).
Olive Hairstreak (Mitoura gryneus) - This butterfly is found in North America and has a wingspan of just 1-1.3 inches (25-33 mm).