6 MONTANA EXPERIMENT STATION BULLETIN 384 



1938 its numbers along with range species with which it usually as- 

 sociates, were negligible. 



Disease was a factor in the reduction of numbers of the two- 

 striped grasshopper, and sarcophagid flies were locally abundant 

 throughout the infested areas. 



In spite of crop losses amounting to $2,867,923, the campaign 

 was in many respects very successful. Cooperation among all of 



the agencies involved was excellent, and the interest of the farm 

 operators high. It is estimated that $6,835,758 in crops were saved 



as a result of the campaign. Bait usage by counties is given in 

 table 1. 



TABLE 1. — BAIT USAGE (DRY WEIGHT) BY COUNTIES, 1939-1940. 



County 1939 1940 



Tons Tons 



Beaverhead 2.5 3.1 



Big Horn 8.1 25.75 



Blaine 882.5 2,976.98 



Broadwater 2.0 



Carbon .6 ■ 



Cascade 110.5 353.0 



Chouteau 351.0 3,209.0 



Custer-Powder River 573.35 



Daniels 1,342.0 



Dawson 1,838.5 



Fallon-Carter 173.0 43.0 



Fergus 252.25 4,786.0 



Flathead 19.0 



Gallatin 12.25 4.45 



Garfield 1,059.9 



Gla.cier .75 



Golden vSiey-Muss^ 34.0 37.10 



Hill 160.0 6,810.0 



Jeff Orson 



Judith Basin '"]"""]~"[~[]~l~[]l"~~ZZ^]Z"""""[""Z"Zll 135. 6 1 65. 05 



Lake 39.0 1.0 



Lewis and Clark 3.0 25.25 



Liberty 20.0 1,483.7 



Madison 2.0 



McCone 2,437.6 



Meagher 1.45 



Missoula 4.5 



Petroleum ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ'. 39.0 .6 



Phillips 237.5 536.0 



Pondera 58.0 588.0 



Powell 1.0 



Prairie 740.75 



Ravalli 5.0 



Richland 4,884.0 .5 



Roosevelt 5,474.5 40.0 



Rosebud 870.0 



Sanders 9.0 



Sheridan 543.0 



Stillwater 2.5 6.50 



Sweet Grass .2 4.75 



Teton 71.0 550.0 



Toole 120.0 232.0 



Treasure 281.0 



Valley 3,599.0 6.0 



Wheatland 4.0 8.0 



Wibaux 523.5 



Yellowstone 6.0 67.75 



Total 26,909.88 21,988.23 



