pierid

from WordNet (r) 3.0 (2006)

pierid
    n 1: any of numerous pale-colored butterflies having three pairs
         of well-developed legs [syn: {pierid}, {pierid butterfly}]

from The Collaborative International Dictionary of English v.0.48

Pierid \Pi"er*id\, n. [See {Peirides}.] (Zool.)
   Any butterfly of the genus {Pieris} and related genera. See
   {Cabbage butterfly}, under {Cabbage}.
   [1913 Webster]