NINETEENTH EEPORT OF STATE ENTOMOLOGIST 7 



$95,000 on grasshopper control. In western Montana these campaigns 

 proved especially effective, so effective in fact that, assisted by the good 

 work of the predaceous and parasitic enemies of the grasshoppers, little 

 control work was necessary in 1922. In eastern Montana the saving to 

 crops was enormous but so far as cutting down the hoppers to some- 

 thing like normal numbers was concerned, few areas where this was 

 done can be cited. The principal reason for this difference in effec- 

 tiveness in the eastern and western Montana campaigns lies in the 

 habits of the different hoppers against which they were directed. As 

 stated before, the species working in the western part of the State, 



TABLE III.— GR.VSSHOPPER CAMPAIGN, 1922— COUNTIES IN WHICH THE 

 INSECT PEST LAW WAS OPERATED. 



_ ^ Funds Tons bait Acreage Estimated 



County ^ , ^ ^ , • ., 



used used treated saving 



Big Horn $5,400.00 142.5 23,750 



Carter 1.000.00 40 4.000 



Carbon „ _ 2,676.63 100 10,000 



Cascade _ 4,448.27 235.5 50,000 $250,000 



Daniels _. 3,700.00 150.5 12,000 120,000 



Dawson _ 45.5 9,300 112,500 



Fallon _ _ 2,647.02 40 8.000 40.000 



Fergus 39,000.00 625.0 150,000 450,000 



Flathead _ 2,200.00 40 5,336 



Gallatin 2,832.00 198 44,860 370,900 



Garfield 120 10,000 



Glacier 589.50 20 3,000 



Golden Valley 10,011.51 380 18,500 



Judith Basin _ 4,638.65 220 20,000 



Liberty 3,028.77 80 8,000 



Lincoln 299.-35 38 3,500 



Madison 725.00 16 4,500 10,500 



McCone* 



Missoula _ 6,318.87 200 20,000 



Musselshell 3,362.69 131 12,000 



Park , 76.50 3 150 



Phillips _ 3,950.00 65.5 9,200 18,400 



Pondera „ 16,141.00 646 32,000 



Prairie 2,141.00 92.3 16,000 



Richland 1,000.00 66. 10,000 20.000 



Roosevelt 3,060.00 60 6,000 60.000 



Sanders 7.50.00 15 1..500 7,000 



Stillwater 3,000.00 150 20,000 30,000 



Sweet Grass „.. 2,200.00 94 4,000 



Teton _. 4.000.00 160 25,000 80,850 



Toole 5,500.00 136 10,000 



Valley 4,000.00 80 13,000 12.000 



Wheatland 15,000.00 225 45.000 



Yellowstone 225 25,000 



Total $153,696.76 4,880.8 633,396 $1,582,150 



*County operated insect pest law but submitted no report. 



