Butterflies of the Pieridae family are predominantly White or Yellow.
Brimstone (Gonepteryx rhamni). Male is yellow; female is pale green. Look at the wing shape.
Clouded Yellow (Colias croceus).
Green-veined White (Pyrgus malvae). Identified by vein markings on underside of wings.
Large White (Pieris brassicae). Distinguished from Small White by extent of black at wing tip of forewing.
Orange Tip (Anthocharis cardamines). Male is easily identifed by orange tips to white forewings. Both male & female have mottled underside of hindwing.
Small White (Pieris rapae). Less black at wing tip and smaller than Large White.