TABLE OF C0NTP:XTS 



Page 



The contio! of insect pests in Montana ^ 



Kow the law works out in praetiee ^ 



Who does the work and how sui)ported " 



Grasshoppers in 1933 '^ 



Table i — Grasshoppers in 1933 ° 



Grasshoppers in 1934 9 



Organization of 1934 grasshopper campaign 1-5 



Control of grasshoppers b}' poisoned bait in 1934 - 18 



Table 2 — grasshopper bait supplies 19 



Use of mechanical bait spreaders 21 



Table 3 — Number of farmers using bait, acres treated, and number 



of mechanical spreaders in operation - 23 



General results of grasshopper poisoning campaign in 1934 25 



Plowing as a supx^lement to the bait method in grasshopper control 26 



The value of grasshopper egg surveys - 27 



The outlook for grasshoppers in 193."; 2S 



Say's plant bug (Chlorochron sayi Seal.) - 29 



The Morman cricket in 1933 30 



Ihe :\Iormon cricket in 1934 - 30 



The pale western cutworm 32 



Insect pests of field crops 



The sugar-beet leafhopper 33 



Sugar-beet maggots 34 



The beet webworm 34 



The Colorado potato beetle 34 



Vegetable and truck crops 



Cabbage maggot ..34 



Fruit insects 



The black cherry aphis 34 



The cherry fruit-fly 36 



^ Yellow jackets - 36 



Miscellaneous cherry insects of F.athead orchards 36 



The oystershell scale 36 



The codling moth 36 



Insects of shade trees and ornamentals 37 



Appendix 36 



