Large Blue Butterfly (Phengaris arion) in the UK: In-Depth Guide The Large Blue butterfly is one of the most remarkable conservation stories in British wildlife history. Once declared extinct in the UK in 1979, it has since been successfully reintroduced through one of the most scientifically complex species recovery programmes ever attempted. Today, the Large Blue survives in a small number of carefully managed sites in southern England, making it one of Britain’s rarest and most closely studied butterflies. This in-depth guide covers Large Blue butterfly identification, UK distribution, habitat, lifecycle, behaviour, conservation history, and lesser-known facts. What Is the Large Blue Butterfly? The Large Blue is a rare species of butterfly in the family Lycaenidae (blues). Despite its name, it is not simply a larger version of common blue butterflies—it has a highly specialised lifecycle that depends on a precise ecological relationship with ants. It is one of the most famous e...
An Intimate Guide to British Wildlife