Honey-Producing Caterpillars. 143 



resembles Pseudargiolus, and has the spots on the under 

 surface small, is a smaller form, never expanding more than 

 one and one-tenth inches. It is a summer form when 

 there is more than one generation in a season, ranging 

 from Canada, through New England to West Virginia and 

 Georgia, and occurring also in Montana and Nevada. 

 Violacea has a more extended limit, being found in Alaska, 

 British America, Ontario, Quebec, New England to West 

 Virginia, and Colorado, while Pseudargiolus ranges from 

 Wisconsin south to Tennessee, and on the east from Penn- 

 sylvania to Georgia. 



