﻿INDEX. 
  49 
  

  

  Page. 
  

  

  Thrips, 
  bean, 
  hibernation 
  39-40 
  

  

  emergence 
  therefrom, 
  at 
  Compton, 
  Cal 
  " 
  36 
  

  

  entrance, 
  at 
  Compton, 
  Cal 
  36-37 
  

  

  in 
  navel 
  end 
  of 
  orange 
  15 
  

  

  history 
  16 
  

  

  injury, 
  nature 
  and 
  extent 
  8 
  

  

  larva, 
  first-stage, 
  description 
  10-11 
  

  

  habits. 
  23-26 
  

  

  molting 
  25-26 
  

  

  second-stage, 
  description 
  11 
  

  

  larval 
  period, 
  length 
  at 
  Compton, 
  Cal 
  32-34 
  

  

  in 
  Imperial 
  Valley 
  38 
  

  

  leaping 
  22 
  

  

  length 
  of 
  life 
  in 
  winter 
  22-23 
  

  

  normal 
  22 
  

  

  life 
  cycle, 
  total 
  length 
  at 
  Compton, 
  Cal 
  36 
  

  

  mating, 
  method 
  ] 
  7-18 
  

  

  molting 
  of 
  larva 
  25-26 
  

  

  nymph, 
  full 
  grown. 
  (See 
  Thrips, 
  bean, 
  pupa.) 
  

   young. 
  (See 
  Thrips, 
  bean, 
  prepupa.) 
  

  

  occurrence, 
  notes 
  40 
  

  

  origin 
  14-16 
  

  

  oviposition, 
  method 
  and 
  time 
  18-19 
  

  

  number 
  of 
  eggs 
  deposited 
  19-20 
  

  

  period 
  19-20 
  

  

  prepupa, 
  description 
  12 
  

  

  habits 
  26-27 
  

  

  prepupal 
  period, 
  length 
  at 
  Compton, 
  Cal 
  34-35 
  

  

  in 
  Imperial 
  Valley 
  38-39 
  

  

  pupa, 
  description 
  13 
  

  

  habits 
  26-27 
  

  

  pupal 
  period, 
  length 
  at 
  Compton, 
  Cal 
  34-35 
  

  

  in 
  Imperial 
  Valley 
  38-39 
  

  

  recent 
  records 
  1 
  6-17 
  

  

  reproduction, 
  kinds 
  20 
  

  

  seasonal 
  history 
  at 
  Compton, 
  Cal 
  8 
  L— 
  37 
  

  

  Tempe, 
  Ariz 
  39 
  

  

  in 
  Imperial 
  Valley 
  37-39 
  

  

  sexes, 
  proportion 
  20 
  

  

  greenhouse. 
  (See 
  Heliothrips 
  haemorrhoidalis 
  . 
  ) 
  

  

  pear, 
  destructiveness 
  in 
  California 
  7 
  

  

  Tobacco 
  extract, 
  blackleaf, 
  and 
  whale-oil 
  soap, 
  againsl 
  Heliothrips 
  rubrocinctua 
  

  

  and 
  bean 
  thrips 
  44 
  

  

  Tomato, 
  food 
  plant 
  of 
  bean 
  thrips 
  28 
  

  

  Triphleps 
  insidiosus, 
  enemy 
  of 
  bean 
  thrips 
  42 
  

  

  Tropa 
  el 
  a 
  ni 
  major, 
  food 
  plant 
  of 
  bean 
  thrips 
  31 
  

  

  Tulip 
  poplar, 
  bean 
  thrips 
  found 
  thereon 
  31 
  

  

  Turnip, 
  wild, 
  food 
  plant 
  of 
  bean 
  thrips 
  31 
  

  

  Verbaacum 
  virgatum, 
  food 
  plant 
  of 
  bean 
  ihrips 
  31 
  

  

  Vetch, 
  wild, 
  food 
  plant 
  of 
  bean 
  thrips 
  31 
  

  

  Whale-oil 
  soap. 
  (See 
  Soap, 
  whale-oil.) 
  

  

  o 
  

  

  