50 



As a pest of corn it has caused great losses in the 

 Southern States of America, and it is known as a pest of 

 tomatoes, tobacco, peas and beans, and many other crops, as 

 well. 



The parent moth varies from a light to a dark-grey in 



Fig. 49. Cotton boll worm. 



Showing mode of attack on cotton boll. Natural size. 

 (From U.S. Dept. Agric.) 



colour, and measures about 1 J inches across the outstretched 

 wings. The female moth, which flies in the dusk of evening 



