CORN 



79 



placed on racks made of narrow strips with spaces between 

 them, and in all cases" kept out of reach of rats, mice, and 

 chickens. 



XV. SOME INSECTS INJURIOUS TO CORN 

 The corn root-louse. Corn attacked by this insect becomes 

 dwarfed, the leaves turn red and yellow, and there is general 

 lack of vigor. The root-louse is a small insect, bluish-green 

 in color, oval in form, with two short slender tubes projecting 

 from the back part of the abdomen. The root-lice are nearly 



FIG. 12. CORN ROOT-LOUSE 



always accompanied by ants, and the farmer who sees the 

 ants about the roots "of his corn is likely to lay the blame 

 of his sickly crop to them rather than to the root-lice, the real 

 pests. The ants, however, are indirectly responsible for the 

 root-louse injury, as they care for the eggs of the louse during 

 the winter, and bring the young lice to the roots of the young 

 smart-weeds early in the spring. 



