﻿angustatus. 
  N.vsius, 
  !>4, 
  05. 
  

   Ants, 
  80. 
  81, 
  82. 
  

   Aphellnus 
  diaspklis. 
  44. 
  

  

  mytylaspidis, 
  44. 
  

   Aphididse, 
  80, 
  lo9. 
  

  

  Aphis 
  atriplicis, 
  jj;('Ihm;i1 
  (Ifsn-iption 
  and 
  

   food 
  plants 
  of, 
  82. 
  

   Beet, 
  1.59-iRl. 
  bee 
  under 
  Beet 
  Aphis. 
  

   Ciu'uniber. 
  81. 
  See 
  Aphis, 
  Melon, 
  

   cuouniei'is, 
  SI. 
  

  

  gossypii. 
  81. 
  See 
  Aphis, 
  Melon. 
  

   Melon, 
  color 
  of 
  eggs 
  and 
  wingless 
  in- 
  

   dividuals 
  of, 
  81. 
  

   distribution 
  and 
  food 
  plants 
  of, 
  81. 
  

   migration 
  of, 
  82. 
  

   middletonii, 
  SO, 
  159. 
  

  

  associated 
  with 
  ants, 
  161. 
  

   food 
  plants 
  and 
  range 
  of, 
  161. 
  

   general 
  description 
  of, 
  161. 
  

   note 
  on 
  life 
  history 
  of, 
  161. 
  

   sp. 
  on 
  Sugar 
  Beet, 
  general 
  description 
  

   of, 
  82. 
  

   Apiou 
  sp. 
  on 
  Sugar 
  Beet, 
  143, 
  145. 
  

   Apple, 
  13. 
  

  

  Agallia 
  novella 
  on, 
  69. 
  

   as 
  food 
  plant 
  of 
  Beet 
  Army-worm, 
  150. 
  

   of 
  Imbricated 
  Snout-beetle, 
  143. 
  

   of 
  Zebra-caterpillar, 
  153. 
  

   CicaduUi 
  6-notata 
  on, 
  77. 
  

   Empoasca 
  flavescens 
  on, 
  78. 
  

   var. 
  birdii 
  on, 
  79. 
  

   obtusa 
  bred 
  on, 
  78. 
  

   grafts 
  injured 
  by 
  False 
  Ohinch-bug, 
  

  

  96. 
  

   infested 
  by 
  San 
  Jose 
  Scale, 
  3, 
  4. 
  

   injured 
  by 
  Cigar 
  Case-bearer, 
  146. 
  

   by 
  Empoasca 
  mali, 
  78. 
  

   by 
  Greasy 
  Cutworm, 
  104. 
  

   by 
  Mealy 
  Flata. 
  84. 
  

   Phlepsius 
  irroratus 
  on, 
  76. 
  

   Platymetopius 
  acutus 
  on, 
  73. 
  

   Typhlocyba 
  rosis 
  on, 
  78. 
  

   Apples, 
  ripe, 
  as 
  food 
  of 
  Striped 
  Cucum- 
  

   ber 
  Beetle, 
  126. 
  

   Apricot, 
  3, 
  13. 
  

  

  infested 
  by 
  Common 
  Red 
  Spider, 
  59. 
  

   by 
  San 
  Jose 
  Scale. 
  19. 
  

   Arctildse, 
  156. 
  

   arenarius, 
  Emblethis, 
  94. 
  

   Army-Cutworm 
  as 
  beet 
  Insect, 
  51. 
  

  

  injurious 
  to 
  beets; 
  general 
  descrip- 
  

   tion 
  of, 
  102. 
  See 
  Cutworm, 
  West- 
  

   ern 
  Army, 
  

   -worm, 
  102, 
  103, 
  146. 
  

   as 
  beet 
  insect, 
  51. 
  

   Beet, 
  51, 
  146. 
  See 
  Beet 
  Army-worm. 
  

   Fall, 
  149. 
  See 
  Common 
  Grass- 
  

   worm, 
  

   general 
  description, 
  food 
  habits, 
  

   oviposition, 
  and 
  life 
  history 
  of, 
  

   147. 
  

   parasites 
  of 
  and 
  measures 
  against, 
  

   148. 
  

  

  Arrowleaf 
  as 
  food 
  plant 
  of 
  Striped 
  Blis- 
  

   ter-beetle, 
  140. 
  

   Arsenic, 
  white, 
  and 
  sal-soda 
  for 
  beet 
  in- 
  

   sects, 
  54. 
  

   Arsenical 
  insecticides 
  for 
  Beet 
  Army- 
  

   worm, 
  151. 
  

   for 
  blister-beetles, 
  1.38. 
  

   for 
  leaf-eating 
  beet 
  insects, 
  53. 
  

   for 
  snout-beetles, 
  143. 
  

   poisons, 
  53, 
  64, 
  81, 
  107, 
  13^. 
  

  

  application 
  of, 
  53, 
  55. 
  

   spray 
  for 
  garden 
  web-worms. 
  107. 
  

   for 
  leaf-beetles, 
  113. 
  

   Artemisia 
  tridentata, 
  Thamnotettix 
  bel- 
  

   li 
  on, 
  76. 
  

   Ash-colored 
  Blister-beetle, 
  range 
  and 
  in- 
  

   juries 
  of, 
  140. 
  

   Ash 
  leaves 
  as 
  food 
  of 
  June-beetles, 
  165. 
  

   Ashmead, 
  AV. 
  H., 
  on 
  Eutottix 
  seminuda, 
  

   75. 
  

   on 
  new 
  species 
  of 
  Macrocoleus, 
  

   90. 
  

   Asparagus 
  as 
  food 
  plant 
  of 
  Cotton 
  Cut- 
  

   worm, 
  148. 
  

   of 
  Zebra-caterpillar, 
  153. 
  

   Aspid 
  lotus 
  forbesi, 
  20. 
  

  

  obscurus 
  infested 
  by 
  Siih.trostilbe 
  

  

  coccophila, 
  31. 
  

   perniciosus, 
  1-47. 
  See 
  under 
  San 
  Jose 
  

   Scale, 
  

   associatus, 
  Agalliastes, 
  87, 
  88. 
  

   Aster 
  as 
  food 
  plant 
  of 
  Zebra-caterpillar, 
  

   153. 
  

   infested 
  by 
  Aphis 
  middletonii, 
  101. 
  

   injured 
  by 
  Margined 
  Blister-beetle, 
  

   141. 
  

   Astragalus 
  injured 
  by 
  Common 
  Gray 
  Blis- 
  

   ter-beetle, 
  139. 
  

   Athysanus 
  sp. 
  on 
  Beet, 
  75. 
  

   atlanis, 
  Melanoplus, 
  131, 
  133. 
  1.34. 
  

   Atriplex 
  canescens 
  infested 
  by 
  Dacty- 
  

   lopius 
  solani, 
  161. 
  

   infested 
  by 
  Aphis 
  atriplicis. 
  82. 
  

   alriplicis. 
  Aphis, 
  82. 
  

   atriventris, 
  Crepidodera. 
  114, 
  117. 
  

   avicnlare, 
  Polygonum, 
  1.59. 
  

  

  B 
  

  

  Baker, 
  C. 
  F., 
  and 
  Gillette, 
  C. 
  P., 
  He- 
  

   miptera 
  of 
  Colorado 
  cited, 
  70. 
  See 
  also 
  

   Gillette 
  and 
  Baker, 
  

   barbata, 
  Hypostena, 
  117. 
  

   Barley, 
  Corizus 
  lateralis 
  on, 
  97. 
  

  

  Gnathodus 
  abdominalis 
  on, 
  76. 
  

   Basswood, 
  13. 
  

  

  Alebra 
  albostriella 
  on, 
  78. 
  

   infested 
  by 
  Phlepsius 
  irroratus, 
  76. 
  

   Bean 
  as 
  food 
  plant 
  of 
  Black 
  Blister- 
  

   beetle, 
  141. 
  

   of 
  Imbricated 
  Snout-beetle. 
  143. 
  

   of 
  Striped 
  Cucumber 
  Beetle, 
  12G. 
  

   of 
  Zebra-caterpillar, 
  153. 
  

  

  