CHAPTER NINETEEN 
INSECTS IN THE GARDEN 
He is rather handsome as bugs go, but utterly dastardly. 
CuarLes DupLEY WARNER 
VaRIOUS insects attack garden plants, and if left 
alone, these insect enemies may seriously injure crops or 
even destroy them entirely. The gardener therefore 
needs to know what insects attack the different vege- 
tables, how to tell when they are present, and what to do 
in destroying or controlling them. 
In. the course of their lives, insects pass through re- 
markable changes in form and appearance. Often the 
habit of living and feeding entirely changes in passing 
from one stage to another. In general, the best methods 
of combating any given insect depend on its life history 
and how it feeds at the time when it injures the plants. 
In this chapter, therefore, we shall study the life history 
and feeding habits of some of the insects that are of most 
interest to the gardener and learn the best ways of pro- 
tecting garden plants from them. 
THE CHEWING INSECTS 
The chewing insects are those which at some stage of 
life chew or bite into plants from the surface. They may 
therefore be killed by poisons sprayed or dusted over the 
plants which they are eating. Other methods of control- 
ling them may be used, depending, as we shall learn, on 
the way the insect lives. 
The cabbage butterfly. Cabbage plants, especially in 
late summer, are often infested with greenish-colored 
caterpillars, commonly spoken of as “‘ cabbage worms.” 
These caterpillars have such hearty appetites that they 
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