Small White (Pieris rapae)

Small White (Pieris rapae)

Observation - Small White (Pieris rapae). Description: A white butterfly on Buddleia. From the size I presume it is a Small White (Pieris rapae) but the greyish areas on the wings are a little confusing: is this a feature of a summer brood?

A white butterfly on Buddleia. From the size I presume it is a Small White (Pieris rapae) but the greyish areas on the wings are a little confusing: is this a feature of a summer brood?