﻿XVII 
  

  

  Npi'tarophofiiii. 
  S2. 
  

  

  Npgro-bv.R. 
  Cominon. 
  seiUM'.-tl 
  desoription, 
  

   food 
  plants, 
  and 
  lifo 
  history 
  of. 
  i»n. 
  100. 
  

   Nesi-«i-l)ngs. 
  00. 
  

   nenioi-aU', 
  Xipliidinni. 
  i:!l 
  (Kirata. 
  175), 
  

  

  Nottlfs, 
  Ncctai-oiilinla 
  pisi 
  (Ui. 
  s:?. 
  

   niger 
  alienns. 
  I.,asins. 
  Kil. 
  

   Nightshade. 
  P.lacl<. 
  Epitrix 
  Ijrpvis 
  on. 
  118. 
  

   I'ale-stripod 
  Flea-boetlo 
  destructive 
  to, 
  

   121. 
  

   nigrifrons, 
  Ciradula, 
  75. 
  

  

  Deltooephalns, 
  06, 
  75. 
  

   nigrtim, 
  Solannni, 
  118. 
  

   nobilis, 
  Macropsis, 
  00. 
  

   Noctua, 
  100. 
  

  

  c-nigriim. 
  102. 
  lo;j, 
  105. 
  See 
  Cutworm, 
  

  

  Spotted, 
  

   pleeta. 
  102. 
  

  

  distribution, 
  food 
  plants, 
  and 
  gen- 
  

   eral 
  description 
  of 
  moth 
  of, 
  105. 
  

   Northern 
  Corn 
  Root 
  Worm, 
  general 
  de- 
  

   scription 
  of 
  adult 
  of, 
  115. 
  

   life 
  history 
  and 
  injuries 
  of, 
  

   127. 
  

   novella, 
  Agallia, 
  65, 
  60. 
  

   novellus, 
  Macropsis, 
  60. 
  

   Nursery 
  inspection, 
  7-11. 
  

   nuttalli, 
  Cantharis, 
  130, 
  142. 
  

   Niittall's 
  Blister-beetle, 
  color, 
  distribution, 
  

  

  food 
  habits, 
  and 
  destruction 
  of, 
  142. 
  

   Nysius. 
  0.3. 
  

  

  angustatus. 
  04. 
  

  

  injuries 
  and 
  life 
  history 
  of, 
  and 
  

   measures 
  against, 
  05, 
  96. 
  

   minutus, 
  distribution 
  of, 
  and 
  plants 
  

   taken 
  on, 
  95. 
  

  

  O 
  

  

  (»ak, 
  13. 
  

  

  infested 
  b.v 
  Pale-striped 
  Plea-beetle, 
  

   121. 
  

  

  leaves 
  as 
  food 
  of 
  June-beetles, 
  165. 
  

  

  Platymetopius 
  aoutus 
  on, 
  73. 
  

  

  Tyi)hloc.vba 
  rosa^ 
  on. 
  78. 
  

  

  Water, 
  parasitized 
  scale 
  on, 
  31. 
  

   Oats 
  destroyed 
  by 
  Western 
  Green 
  Stink- 
  

   bug, 
  97. 
  

  

  Cicadula 
  6-notata 
  on, 
  77. 
  

  

  Empoasca 
  mali 
  on, 
  78. 
  

  

  infested 
  by 
  Zebra-caterpillar. 
  153. 
  

  

  injured 
  b.v 
  Common 
  Grass-worm. 
  149. 
  

   b.v 
  Deltocephalus 
  nigrifrons, 
  75. 
  

   obscurus. 
  Aspidiotus, 
  31. 
  

  

  I'lagiognathus, 
  87. 
  89. 
  

   obtnsa. 
  Empoasca, 
  78. 
  

   8-lineata, 
  Gypona, 
  66. 
  72. 
  

   CEstlund, 
  O. 
  W. 
  83. 
  

  

  Okra 
  infested 
  by 
  Oncometopia 
  undata, 
  71. 
  

   olivacea. 
  Campylacantha. 
  130, 
  135. 
  

   olivaceus, 
  Pezotettix, 
  i;?5. 
  

   Olive, 
  or 
  Lubber, 
  Grasshopper, 
  130. 
  See 
  

   under 
  Grasshopper. 
  

  

  Oncometopia, 
  general 
  description 
  of, 
  64. 
  

   undata, 
  70, 
  75. 
  

  

  concerning 
  distribution 
  and 
  life 
  hli- 
  

  

  tory 
  of, 
  71. 
  

   food 
  plants 
  of, 
  71. 
  

   general 
  description 
  of, 
  66. 
  

   Onion 
  as 
  food 
  plant 
  of 
  Imbricated 
  Snout- 
  

   beetle, 
  143. 
  

   Oniscida?, 
  137. 
  

   opaca, 
  Silpha, 
  136, 
  137. 
  

   Ophion 
  as 
  parasite 
  of 
  cutworms, 
  101. 
  

   Orache 
  infested 
  b.v 
  Aphis 
  atriplieis. 
  82. 
  

   Orange 
  as 
  food 
  plant 
  of 
  Zebra-caterpillar, 
  

   153. 
  

   infested 
  b.v 
  Melon 
  Aphis, 
  81. 
  

   Osage, 
  as 
  food 
  plant 
  of 
  the 
  Green 
  and 
  

   Mealy 
  Flatas. 
  84. 
  

   Orchelimum. 
  general 
  description 
  of, 
  131. 
  

   vulgare, 
  135. 
  See 
  Larger 
  Meadow 
  

   Grasshopper. 
  

   Ormenis 
  pruinosa. 
  general 
  description, 
  

   oviposition, 
  food 
  plants, 
  and 
  life 
  his- 
  

   tory 
  of, 
  83, 
  84, 
  85. 
  

   ornata, 
  Libnrnia, 
  65, 
  67. 
  

   Osage 
  Orange 
  as 
  food 
  plant 
  of 
  the 
  Green 
  

   and 
  Mealy 
  Flatas, 
  84. 
  

   infested 
  by 
  San 
  Jose 
  Scale, 
  4, 
  13, 
  

   17. 
  23, 
  24. 
  

   Osborn, 
  Herbert, 
  60. 
  70, 
  76, 
  85, 
  86. 
  

   on 
  Diedrocephala 
  versuta, 
  71. 
  

   on 
  False 
  Chinch-bug, 
  06. 
  

   on 
  Gypona 
  8-lineata, 
  72. 
  

   on 
  insecticide 
  measures 
  for 
  blister- 
  

   beetles. 
  138. 
  

   on 
  life 
  histor.v 
  of 
  Agallia 
  4-puncta- 
  

   ta, 
  68. 
  

   and 
  parasite 
  of 
  Deltocephalus 
  

   inimicus, 
  74, 
  75. 
  

   on 
  Schistocerca 
  alutacea, 
  132. 
  

   Otiorhynchus 
  picipes, 
  144. 
  

  

  singularis,, 
  general 
  descrirition 
  of. 
  143, 
  

  

  144. 
  See 
  Clay-colored 
  Weevil, 
  

   sulcatus, 
  general 
  description 
  of. 
  143.. 
  

   See 
  Black 
  Vine-weevil. 
  

  

  Pachymerus 
  as 
  parasite 
  of 
  Common 
  Gar-- 
  

  

  den 
  Web-worm, 
  109. 
  

   Packard, 
  A. 
  S., 
  76, 
  145. 
  

   Pale-striped 
  Flea-beetle 
  as 
  beet 
  insect, 
  50. 
  

  

  52, 
  120. 
  See 
  under 
  Flea-beetle, 
  

   pallens, 
  Geocoris. 
  95. 
  

   Panic-grass 
  as 
  food 
  of 
  Psylliodes 
  convex- 
  

  

  ior, 
  124. 
  

   Parasites 
  and 
  other 
  enemies 
  of 
  cutworms. 
  

   101. 
  

   of 
  bees, 
  138, 
  1.39. 
  

   of 
  Beet 
  Web-worm, 
  111. 
  

   of 
  Cabbage 
  I'lusia, 
  153. 
  

   of 
  Common 
  (^rass-worm, 
  150. 
  

   of 
  Deltocephalus 
  inimicus, 
  75. 
  

   of 
  Diedroi-ephala 
  moUipes, 
  72. 
  

  

  