INJURIOUS INSECTS. 



The insects which prey especially upon cabbage, 

 cauliflower and related plants are obnoxious both to 

 the producer and to the consumer. The former sees 

 his growing plants destroyed by the ravages of 

 worms and his chances for profiting by his labors 

 daily grow less ; while the consumer suffers revolting 

 disappointment when the cabbage or cauliflower he 

 has purchased shows, on preparation for the table, 

 the canals and disgusting masses of excrement which 

 mark the work of these pests on the mature vege- 

 tables. All are interested, then, in checking the 

 ravages of these insects, but the successful solution 

 of the problem has been somewhat difficult; for the 

 character of the plants and the habits of the insects 

 both interfere to prevent success from methods 

 applicable against other insects. 



THE CABBAGE WORM. 



Best known of the cabbage pests, and the one 

 which until within a few years has been the most 

 harmful in the market garden sections, is the green 

 cabbage worm, the larva of the familiar white but- 

 terfly, the imported or European species, Pieris 

 rapac. These insects pass the winter as chrysalids 

 or pupae attached to the under sides of rails, sticks, 

 weeds, or in any place where they are protected from 

 excessive moisture. Early in May, or even in April, 



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