266 Insects and Sprays 



The borax should be applied with a flour sifter or 

 other sieve and two or three gallons of water 

 should be sprinkled over the manure after it has 

 been treated with the borax. 



Sprinkling manure with a solution of half a 

 pound of powdered hellebore dissolved in ten 

 gallons of water will destroy from eighty-five 

 to ninety per cent, of the larva or maggots which 

 produce flies. 



In sprinkling large quantities of manure with 

 borax it should not be used in greater quantity 

 than fifteen tons to the acre or damage to the 

 vegetables to which the manure is applied may 

 result. 



To control the Hessian fly, try burning all 

 stubble and clearing all refuse from damp places. 



To destroy the small black fly which feeds on the 

 pear and cherry trees, spray the trees with arsenate 

 of lead in water, in the proportion of two pounds 

 of the poison to fifty gallons of water. If the ap- 

 plication is not made until the fruit is well under 

 way, it will be safer to use white hellebore instead 

 of arsenate of lead. 



One disadvantage in using Bordeaux mixture 

 is that it discolors the foliage and causes the fruits 



