The Bollworm or Corn Earworm. 5 



HABITS OF THE INSECT AND HOW IT DEVELOPS. 



A general knowledge of the life history and habits of an insect is 

 needed in order intelligently to combat it. The bollworm or corn ear- 



FiG. 2. — Young' corn plant showing injury to gi-owing tip by bollworm. (Qualntancc.) 



worm when mature (fig. 4) is a moth or miller about 1^ inches across 

 the spread wings. It varies in color from a light brown or olive 

 green to pale yellow and it is commonly seen flving about in the 



