Caption
Large blue butterfly (Maculinea arion) on a Common Centaury (Centaurium erythraea) flower, Collard Hill, Somerset, England, UK, June 2011. Did you know? The large blue's life cycle is dependent on the larva hibernating in the nest of a species of red ant, where it feasts on ant grubs.
Availability
Only inBelgium, Canada, France, Luxembourg, Switzerland