Saturday, December 21, 2013

Insects in General

Insects in General




Fig. 136. Ants

The farmer who has fought "bugs" on crop after crop needs no argument to convince him that insects are serious enemies to agriculture. Yet even he may be surprised to learn that the damage done by them, as estimated by good authority, amounts to millions and millions of dollars yearly in the United States and Canada.



Fonte: Agriculture for Beginners

No comments:

Post a Comment