CHAPTER III 

 Order Lepidoptera 



This is the order in which the leaf-mining habit has been 

 best developed. Here it attains the polish and precision of 

 an ancient and perfected art. Lepidopterous leaf-miners 

 are the most abundant and most interesting of all. 



Fig. 18. Mine of Chrysopora on Chenopodium 



Lepidopterous leaf -miners were known of old. The great 

 naturalists of the sixteenth century who first made careful 

 and authentic gatherings of insect lore, filled many pages of 



41 



