LEPIDOPTERA 



85 



r'lG. 88. Photograph of the eggs, larva, and moths, male and female, ol the fall 

 canker worm. Enlarged slightly. 



puncta) often travels in armies composed of millions of 

 individuals which destroy acres of vegetation in a single 

 day. The adult is a gray moth. 



Measurers (Geometridae). The larvae of these moths 

 are called measuring worms, and may be distinguished by 

 their characteristic walk, which consists of attaching the 

 three front legs and then elevating the middle portion of 



