392 AMERICAN GRAPE CULTURE. 



vineyard. Of all the remedies we have tried, 

 we have found lime and sulphur to be the best. 

 Two parts of sulphur and one of powdered 

 caustic lime should be well mixed, and applied 

 with the bellows above described. It should 

 be thrown on all parts of the foliage, but espe- 

 cially the under side. Under this treatment 

 they will cease to be formidable. Rain or high 

 winds will make it necessary to repeat the 

 application. The best time to apply it is in 

 the morning when the air is still. 



The red spider (Acarus tellarius) is some- 

 times . found on the under side of the leaf, and 

 succumbs to the sulphur remedy above. It 

 should be applied when they first appear, for 

 they soon spin a fine web which is not easy to 

 penetrate. A species of black Aphis, Fig. 156, 

 is also sometimes found on the ends 

 of the canes, but is readily destroyed 

 by drawing tne cane through either the 

 Fig. 156. gloved or naked hand. 



Caterpillars. Several kinds of caterpillars 

 are more or less injurious to the vine. The 

 large green caterpillars of some of the Sphinges, 

 like those so common on the tomato, are some- 

 times destructive to young vines, in a very short 

 time consuming every leaf on the plant. Those 



