Butterflies Galore

Yesterday afternoon hundreds of Painted Lady butterflies were in the first field, feeding on Common Knapweed and on the marsh,Sea Lavender. There were also two different sizes, one was the same as the small Tortoiseshell and the other was about half the size again, is one an immigrant and the other a local ??
Other butterflies feeding on same Flowers were :-

Meadow Brown,

Small Copper,
Large White,
Green Veined,
and Dark green Fritillary.
As the seasons change so do the flower colours and at the moment the prominent colour is purple, Purple Loosestrife, Sea Lavender, Common Knapweed and Heather.