82 TENTH BIENNIAL REPORT 



Spreading the Poison Bran Mash 



Poison bran mash is spread over grasshopper infested areas" by 

 broadcasting from the hand, much as we would sow grass seed. It 

 must be of the right consistency and a certain snap of the wrist must 

 be given in order to have it fall apart into small flakes as it leaves 

 the hand. Every precaution should be taken to see that it does this 



Figure 2. Grasshopper catching machine. Notice the cne-man driving ar- 

 rangement. 



for grasshoppers will eat the individual flakes even after they are dry 

 and will not touch dried up lumps which are also dangerous to poultry 

 and livestock. The prepared mash should be applied at the rate of 

 from 5 to 15 pounds to the acre, depending on the number of grass- 

 hoppers present. When large amounts are to be scattered, it can 

 be sown from the rear end of a wagon or, if the ground is smooth 

 enough, from the rear cf an automobile.' 



The best time to distribute the poison bran mash is from daylight 

 until about eight o'clock in the morning and from three to five in the 

 afternoon. This is based on the fact that the grasshoppers do most 

 of their feeding just after the sun warms them up in the morning and 

 during a short period before they go to rocst at sun down. 



Judguig the Results of Poisoning 



Full effects of the poison bran mash should not be looked for 

 until after a period of 4 or 5 days. Grasshoppers nearly always stop 



