Grasshoppers 



the mixture is put out in the evening it loses much of its odor during the 

 night and is less effective as a result. When put out after the hoppers 

 have filled up in the morning they are less hungry and do not eat so freely 

 of the bait as earlier in the morning. Then by the time they are ready 

 for another meal the sun has dried it more or less, which makes it less 

 appetizing. 



Also, apply the remedy in the early part of the season, while the 

 hoppers are small. "It is the early bird that catches the worm. " Like- 

 wise it is the early farmer that gets the hopper. 



How to Apply the Mixture 



The Kansas Mixture should be thinly broad-casted over the ground. 

 The most satisfactory way is to sow it by hand, using the same motion 

 as in sowing grain or grass seed by hand. Care should be exercised to 

 prevent leaving large lumps in the spreading, as these are apt to be eaten 

 by live stock or poultry and cause their death. The mixture made with 

 quantities, according to the formula given, is sufficient to cover \\ to 5 

 acres. If thinly and evenly applied to this area there is no danger of 

 either live stock or poultry being killed by feeding on treated land. 



Where to Apply the Mixture 



The poisoned mash should be scattered on waste land, borders of 

 fields or other places where the hoppers congregate for the night. 



The Hopper Dozer 



During the years 1875 to 1877 many devices for destroying grass- 

 hoppers, especially the wingless, young hoppers, were invented and cov- 

 ered by patent rights. The inventors of some attempted to use sulphur 

 fumes to kill the hoppers, others crushed them between rollers, and still 

 others used the principle of the vacuum cleaner to suck the hoppers into 

 their machine. 



>.& i'iz Mr-^^-V: A VJ** assii 



Fig. 15. Hopper Dozer (After Chas. R. Jones, Bulletin No. 233, Colorado Agricultural 



Experiment Station) 



102 



