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Contents Page 
Introduction 3 
Location of work 3 
Materials tested 3 
Principal insects involved 3 
Recommendations for control 3 
Cabbage worms on cabbage 4 
Materials for dusts 4 
Materials for sprays 4 
Relative effectiveness of dusts to specific cabbage insects 5 
Derris 5 
Pyre thrum 6 
Pyrethrum-derris extracts in combination 6 
Paris green dusts 7 
Cryolite (sodium fluoaluminate) dusts 7 
Calcium arsenate dusts 7 
Cabbage worms on cauliflower, broccoli, kale, and collards 7 
Cutworms and corn earworms on cabbage 8 
Cabbage webworms on cabbage 8 
Celery insects 8 
Celery leaf tier 8 
Celery looper 8 
Cutworms 9 
Cultural practice 9 
Lettuce and spinach insects 9 
Melon worm and pickle worm 9 
Pepper weevil 10 
Vegetable weevil 10 
Mexican bean beetle 11 
Sprays 11 
Dusts 11 
Strawberry weevil 12 
Tobacco insects 13 
Tobacco hornworms 13 
Flea beetles 13 
Clean-up measures as an aid to control 14 
Where to obtain insecticides 14 
