15 



June Beetle or White Grub (Lachno sterna jusca) : The larva is a 

 large, soft, white grub, about an inch and a half long, and usually curled 

 at the postern end. The pupa stage is passed in the ground. The adult 

 is a large, plump, brown beetle, known as the June "bug." It takes two 

 or three years to develop, and is sometimes very destructive to gard< n 

 crops. 



Remedies : Late fall plowing destroys the pupae, and exposes diem 

 to their enemies and the weather; rotation of crops prevents the develop- 

 ment of the insect; shaking the adults from trees upon sheets. 



< !oen Wokm. An ear of corn affected by corn worm. Caterpillars are 

 very variable in their markings. 



Corn* Ear-worm or Cotton Boll-worm (Heliothis armiger) : The 

 larvae are striped, and may be greenish or reddish in color, and when 

 full-grown about one and one-fourth inches long. The larvae feed on the 

 ears of the sweet corn, and the affected ears are unsightly and unfit for 

 tabic- use 



It has never been very troublesome to Ontario corn-growers. It 

 also feeds on the fruit of the Tomato. 



Remedy : Late fall plowing destroys the pupae. 



