INSECTS, DISEASES, AND CONTROL 281 



may be found in early morning near tlie plants, just under the 

 soil surface. Two other methods of control are suggested in 

 figure 143. 



Cabbage Worm. — This is the larva of the white cabbage 

 butterfly. The eggs are laid on the leaves of cabbage at all 

 stages of growth. The larvae eat their way into the leaves and 

 will ruin large numbers. Several common remedies are used. 

 (See notes under cauliflower^ Chapter XVI.) 



Tomato Worm. — The large green tomato worm is the 



Fig. 142. — Brown rot disease of peaches, plums and cherries often leaves dried- 

 up mummies on the trees until next year. These are full of spores and will infest 

 the next crop unless they are picked off in autumn or winter. (New Jersey Station.) 



larva of the large sphinx moth. It attacks tobacco, tomato, 

 egg-plant and a few other garden plants. 



The test remedy is to spray plants when the insects begin 

 their eating. Either Paris green or arsenate of lead may be 

 used in about the same strength as for potato beetles. It is 

 well to miz the poison with Bordeaux mixture as in spraying 

 potatoes. 



Potato Beetle. — This is not a "bug" but a true beetle. 

 The larvae do the most damage, but the adults also eat the 

 leaves. One or two ounces of Paris green or one-balf pound 



