September 27, 2025

Common blue butterfly

Common blue butterfly
Polyommatus icarus

Conservation status: Common

When to see: April to October

About

The Common Blue is a small blue butterfly that gracefully flutters about during the summer months, from April to October. As the most prevalent species among blue butterflies, it can be spotted in a diverse range of habitats, such as heathlands, woodland paths, verdant meadows, expansive parks, gardens, and neglected areas. The caterpillars of this species feed on clovers,, common birds-foot trefoil among others.