110 



Post Oak, 82. 

 Prunus demissa, 87. 

 Pterostiehus californicus, 92. 

 Purslane, 97. 



Bug, 96. 

 Quorcus agrifolia, 87, 89. 

 conomensis, 87. 

 obtusiloba, 82. 

 Kadish, 73, 100. 



Rain-fall and temperature in Indiana, 66, 67. 

 Kaphidia destroying •Codling Moths in Califor- 

 nia, 92. 

 Red-backed Leaf-hopper, 28. 

 Red Scale of California, 7. 



methods of destroying, 9. 

 Red osier dogwood, 37. 



Resin soaps and compounds for Scale insects, 10. 

 Rhopalosiphum n. sp. found on wheat, 70. 

 Rhubarb, 74. 



Rocky Mountain Locust, 101, 104. 

 Rose, 78. 



Rose slug, anew, 78. 



Ryan, F. G., experiment with resin washes, 13. 

 Rye, 46, 57, 70, 71. 

 Sage bush, 94. 



Salts, experiment with, as insecticides, 19, 50, 51. 

 Schizoneura corni, 20, 32, 33, 36. 

 crataogi, 19. 

 panicola, 33, 38, 40. 

 venusta, 37, 40. 

 Scirpus atrovirens, 53. 



Scoliopteryx libatrix, 46. • 



Selandria rosa;, 78, 80. 



? sp. injurious to "White Fringe, 79. 

 Setaria, 33, 41, 63. 



glauca, 37, 61. 



italica, 37. 



viridis, 37. 

 Shade Wees infested by Apbids, 71. 

 Siphonophora avenae, 64,74. 

 Smart-weed, 97. 

 Sphaerophoria cylindrica, 71. 

 Sphenophorus ochreus, 52. 



parvulus, 39. 

 Spinach, 76. 

 Spinach beetle, 76. 



Life-habits and history, 76. 

 Description of larva and pupa, 77. 

 Squash, 76. 

 Stalk-borer, 75. 

 Steiroxis sp., 94. 

 Stenobothris coloradus, 94. 

 Stink-grass, 97. 

 Strawberry, 75. 



Streaked Cottonwood Beetle, 76, 101. 

 Swamp Sphenophorus in Indiana, 52. 

 Sweet corn, 76. 

 Systoechus oreas, 44. 

 Tarnished Plant-bug, 75, 81. 

 Telea polyphemus, 101. 

 Telephorus caiolinus, 72. 



Tenderfoot Leaf-hopper, 26. 



Tent caterpillars of the Pacific coast, 87. 



Tettigonia hieroglyphica, 28. 



4-vittata, 28. 

 Thomas, Prof. Cyrus, quoted, 37, 38. 

 Thorn-tree Aphid in Iowa, 19. 

 Thrips found on blue grass, 19. 



larva; feeding on Phylloxera rileyi, 83. 

 Timothy grass, 45. 

 Tortricid injurious to Honey Locust, 101. 



boring twigs of Hackberry and Box- 

 elder, 101. 

 Toxoptera n. sp. found on wheat, 70. 

 Trapozonotus nebulosus, 96. 

 Trees on western Wee claims, insects injurious 



to, 100. 

 Trichogramma pretiosa, 8. 

 Trimerotropis fallax, 94. 

 Trioxys sp. parasitic on Grain Aphis, 71. 

 Triptogon modesta, 101. 

 Trogoderma tarsale. larva feeding on Codling 



moth pupae, 92. 

 Tropaiolum, 76. 

 Turf Web- worms in Iowa, 20. 

 Turnips, 73, 100. 



Twelve-spotted Diabrotica, 52, 76. 

 Tychea panici, 38. 

 Uhler, Prof. P., quoted, 26. 

 Uniola latifolia, 59. 

 Van Duzee, E. P., quoted, 29, 30. 

 Vanessa antiopa, 101. 

 Varying Anomala, 51 . 

 Vedalia cardinalis, 8, 9, 85. 

 Walsh, B. D., quoted, 37. 

 Walnut, 101. 



Black, 101. 

 Washes for Scale insects, 7, 10. 

 Wavy-spotted Leaf-hopper, 30. 

 Wavy-striped Flea-beetle, 73. 

 Webster, Prof. F. M., Report by, 42. 

 Weed, Clarence M., quoted, 39. 

 Western Striped Cut-worms, 43. 



Interesting parasite on, 44. 

 Wheat, 42, 51, 52, 57, 64, 70, 71, 93. 

 Wheat stem maggot, 42. 



straw worm, 42. 



wire-worm, 51. 

 White arsenic, experiments with, 80. 

 White Fringe tree, 79. 

 White Fringe Slug, 79. 



Description of larva, 79. 

 White grubs in Indiana, 48. 

 Iowa, 20. 

 experiments for destroying, 48. 

 Wild Cherry, 87. 

 Willow, 87,88,100,101. 

 Willow Plant-louse, 20. 

 Wire-worm injuring wheat, 51. 

 Wood Peweo destroying Crambus moths, 48. 

 Xanthogramma emarginata, 71. 

 X. O. Dust, experiments with, 19, 75, 80. 



