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.
 
      Brimstone (Gonepteryx 
      rhamni). Male is yellow; female is pale green. Look at the wing shape.
 Clouded Yellow (Colias 
      croceus).
 
      Clouded Yellow (Colias 
      croceus).
 Green-veined White (Pyrgus 
      malvae). Identified by vein markings on underside of wings.
 
      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.
 
      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.
 
      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.
 
      Small White (Pieris 
      rapae). Less black at wing tip and smaller than Large White.
 The Marbled White is a member 
      of the Satyridae family (Browns)
 
      The Marbled White is a member 
      of the Satyridae family (Browns)