ARID AGRICULTURE. 



263 



made by steeping or boiling four pounds of to- 

 bacco stems or two pounds of tobacco dust for 

 an hour with water enough to cover and then 

 dilute to four gallons with water. It should be 

 used when fresh. 



PARIS 

 GREEN AND 



ARSENATE 

 OF LEAD 



HOW TO 

 DEAL WIT] 

 SOME 

 COMMON 

 INSECTS 



GRASS- 

 HOPPERS 



There are a host of insects that feed on leaves 

 or other exposed parts of plants that may be de- 

 stroyed with stomach poison. The poisons usu- 

 ally employed are Paris green and arsenate of 

 lead. Use one-half pound of Paris green to 

 fifty gallons of water or two to three pounds of 

 arsenate of lead to fifty gallons of water and 

 spray the solution over the leaves upon which the 

 insects are feeding. This is an effectual remedy 

 for general use. 



There is much variation in the effect of both 

 contact poisons and stomach poisons. The gen- 

 eral rule laid down for their use will meet most 

 of the insect problems with which the western 

 farmer will have to deal. Some more complete 

 or detailed treatment for a few of the more com- 

 mon and destructive insects will give practically 

 all the information needed on the subject. 



The migratory grasshopper has not com- 

 mitted depredations for several years. There are 

 local grasshoppers, however, which do need the 

 farmer's attention in many farm regions. These 

 grasshoppers are those which lay their eggs more 



