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For their Destruction, — Either the 1st 
or 8th Preparations may be resorted to, at proper 
times, according' to the state in which the plant is 
on which it may be feeding. Care must be 
taken not to use it when there is any danger of dis- 
figuring the blossom of plants, or injuring fruit in 
its most delicate state. 
Beetles. — These are an extensive genus; 
many species of them prove very destructive to 
garden productions, especially in dry seasons. So 
shy ai'e they in general, and so dingy or earthly- 
like brown are many of them in colour, and 
others so very minute, that the Horticulturist 
will often be deprived of many of his seedling 
crops, without detecting his enemy. Peas and 
Beans, Acacia, and other plants have suftered 
during the late summer very materially, by one 
kind (Melolonlha Horticola ) The Apple blossom 
has also been deprived of the fructuous part, by, I 
believe, the same species, and many other trees and 
vegetables fall a prey to other species of this genus. 
The only plan I can devise to prevent their 
doing mischief on trees, liable to their attack, 
will be to besmear a portion of the trunk round 
with a thin coat of common tar; probably gas 
tar might answer the purpose. It should 
be applied at the fore end of March, about 
the time when they leave their winter residence 
to enjoy the vernal months. This is intended 
to prevent their ascending the trees, for although 
they are furnished with wings, it appears that 
