282 INJURIOUS INSECTS. 



during the night, and care should be had that the trees 

 be unloaded of their voracious freight just before dark. 



It has been found that the whitewash was rendered 

 still more effectual by adding one-half pint of turpentine 

 to the pailful. 



DESTRUCTION OF THE WINGED INSECTS. 



The complete destruction of the winged insects, 

 when they swoop down upon a country in prodigious 

 swarms, is impossible. Man is powerless before the 

 mighty host. Special plants, or small tracts of vegeta- 

 tion may be saved by perseveringly driving the insects 

 off, or keeping them off by means of smudges, as the lo- 

 custs avoid smoke; or by rattling or tingling noises con- 

 stantly kept up. Long ropes perseveringly dragged over 

 a grain field have been used to good advantage. 



