Smithsonian Report, 1921.— Snodgrass. 



Plate 2. 



The Fall Webworm. a, Apple Leaf with Patch of Eggs on Under Surface, 

 and the Moth that Laid Them; b, Part of a Webworm Web Inclosing 

 Leaves on an Apple Twig; c, a Mature Webworm Caterpillar which 

 Has Left the Web: d, a Cocoon on the Ground Amongst Dead Leaves; 

 e, the Pupa or Chrysalis Taken from!a Cocoon; f, an Adult Webworm 

 Moth. 



396—2 



