TY - JOUR T1 - Coevolution of pierid Butterflies and their cruciferous foodplants .2. Distribution of eggs on potential foodplants JF - Evolution Y1 - 1977 A1 - Chew, F. S. SP - 568 EP - 579 VL - 31 N1 - Ee353 Times Cited:167 Cited References Count:48 ER -