The blue butterfly, that is resident in Europe and some parts of Asia. The butterfly became extinct in the United Kingdom in 1979, but has since been reintroduced by conservationists UK BAP Status: Priority Species. Uncommon everywhere in the world. But Large Blue primarily resides in heaths, sand dunes and hillsides.
The large Blue caterpillars are about half an inch in length and can live as long as 9 months before they form a chrysalis to become a butterfly. Large Blue butterflies have a wingspan of up to 2 inches, and will live for only a few weeks. The wings of the Large blue butterfly are speckled with black dots. Compared to a Large Blue caterpillar, the adult's lifespan is so short.