356 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



on each fore-wing, while the male haw only one, and both sexes have 

 a black spot on the anterior margin of the hind-wings. 



FIG. 256. The cabbage butterfly (Pontia rapoe Linn.) : n larva; b, chrysalis; 

 c, male butterfly; d, female butterfly. (After C. M. Weed.) 



Life History. The butterflies soon commence to lay their eggs 

 on whatever food-plant is available. The larvae feed on all of the 



