The Southern Small White (Pieris mannii) is very similar to the Small White (Pieris rapae) and the Large White (Pieris brassicae).
The difference with the Small White and the Large White is mainly in the black dot on the forewing, which is not round but has a concave side on the outside.
Furthermore, the black spot on the wing tip runs further downwards than in the Small White, but not as far as in the Large White.

The Southern Small White is found in Central and Southern Europe, Turkey, Syria and Morocco.
Since 2005, the species has been observed increasingly northerly.

Zambujal, Sado Estuary Nature Reserve, Portugal, 1 October 2021