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FUNDAMENTALS OF AGRICULTURE. 



Imported Cabbage Worm. The imported cabbage 

 worm is very destructive to cabbage and other crucifer- 

 ous (mustard family) plants, riddling the leaves as 

 shown in the figure. Young plants should be sprayed 

 with an arsenical, as arsenate of lead, just before 

 being taken from the seed bed, and after they are 

 set out additional sprayings should be given until the 



IMPORTED CABBAGE WORM. 



a. Female butterfly; b, above, egg as seen from above; below, egg as seen from side; 

 c, larva on cabbage leaf; d, suspended chrysalis. 



heads are about half grown or even later. The 

 poison washes off in three or four weeks. All plant 

 remnants should be destroyed as soon as the crop is 

 harvested, as otherwise the insects continue to breed 

 on the food thus furnished. 



Colorado Potato Beetle. The Colorado potato 

 beetle is now much less a pest than in former years. 

 It is readily controlled by spraying or dusting the 



