﻿ILLUSTRATIONS. 
  

  

  PLATES. 
  

  

  Page. 
  

   Plate 
  XII. 
  Stages 
  and 
  work 
  of 
  the 
  fruit-tree 
  leaf-roller 
  (Archips 
  argyrospila). 
  

   Fig. 
  1. 
  — 
  Hatched 
  egg 
  masses 
  on 
  apple 
  twigs. 
  Fig. 
  2. 
  — 
  Full- 
  

   grown 
  larva. 
  Fig. 
  3. 
  — 
  Pupae. 
  Fig. 
  4. 
  — 
  Cocoon 
  and 
  pupal 
  case. 
  

  

  Fig. 
  5. 
  — 
  Young 
  apples 
  injured 
  by 
  larvae 
  94 
  

  

  XIII. 
  Work 
  of 
  the 
  fruit-tree 
  leaf-roller. 
  Fig. 
  1. 
  — 
  Apple 
  branch, 
  showing 
  

   webbing 
  and 
  injury 
  to 
  foliage 
  by 
  larvae. 
  Fig. 
  2. 
  — 
  Apples 
  in- 
  

   jured 
  by 
  larvae 
  94 
  

  

  XIV. 
  Apple 
  orchard 
  at 
  Canon 
  City, 
  Colo., 
  defoliated 
  by 
  the 
  fruit-tree 
  

  

  leaf-roller 
  94 
  

  

  XV. 
  Excessive 
  webbing 
  by 
  larvae 
  of 
  the 
  fruit-tree 
  leaf 
  -roller 
  94 
  

  

  XVI. 
  Stages 
  of 
  the 
  fruit-tree 
  leaf 
  -roller. 
  Fig. 
  1. 
  — 
  Egg 
  masses 
  on 
  trunk 
  

   of 
  apple 
  tree. 
  Fig. 
  2. 
  — 
  Moth 
  and 
  extruded 
  pupal 
  case. 
  Fig. 
  

   3. 
  — 
  Unhatched 
  egg 
  masses 
  on 
  apple 
  twigs 
  98 
  

  

  IV 
  

  

  