132 INDIAN CORN CULTURE. 
and enter it, where they feed. Later they go 
deeper into the soil and remain there over 
winter. In spring they come to the top soil 
again and feed. In a few weeks they become 
full-grown worms, when they make cells in the 
soil, in which they locate and where they 
undergo a change to pupa, and soon after de- 
velop into the moth. 
(After Riley.) 
About 12 kinds of cut worms are especially 
prevalent on corn. On new sod ground the cut 
worm is most frequently found. 
Numerous methods have been tried to pre- 
vent the ravages of cut worms, but as a rule 
they are more or less unsatisfactory. Lintner 
recommends the use of a tablespoonful of salt 
scattered over each hill of corn.* He says this 
method has been used with considerable suc- 
cess. The explanation of this protection is 
᾿ that the salt dissolves and is taken up by the 
roots into circulation and makes the food un- 
palatable to the worms. It appears to the 
FIG 46.—MOTH OF DINGY CUTWORM Agrotis subgothica. 
* Kighth report, etc., p. 239. 
