﻿38 
  THE 
  EED 
  SPIDEK 
  ON 
  HOPS 
  IN" 
  CALIFORNIA. 
  

  

  Page. 
  

  

  Cnicus 
  benedictus, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Coctinella 
  9-notata, 
  enemy 
  of 
  red 
  spider 
  19 
  

  

  Coffee 
  tree, 
  Kentucky. 
  (See 
  Gymnocladus 
  canadensis.) 
  

   Convolvulus 
  sp. 
  (See 
  Morning-glory, 
  wild.) 
  

  

  Copulation 
  of 
  red 
  spider 
  12 
  

  

  Corn, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Cost 
  of 
  spraying 
  hopyards 
  for 
  red 
  spider 
  30 
  

  

  Cotton, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Cowpea, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Cucumber, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  protection 
  from 
  red-spider 
  injury 
  35 
  

  

  Cultural 
  methods 
  against 
  red 
  spider 
  on 
  hops 
  30-34 
  

  

  Cuphea, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Cypress 
  vine, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Dahlia, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Datura 
  stramonium, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Disella 
  hederacea, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Eggplant, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Euthrips 
  fuscus, 
  enemy 
  of 
  red 
  spider 
  19 
  

  

  occidentalism 
  enemy 
  of 
  red 
  spider 
  19 
  

  

  Ferns, 
  food 
  plants 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Fertilization 
  against 
  red 
  spider 
  on 
  hops 
  33-34 
  

  

  Feverfew, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Flea-beetle, 
  hop. 
  (See 
  Psylliodes 
  punctulata.) 
  

  

  Flour 
  paste 
  against 
  red 
  spider 
  on 
  hops 
  24-25, 
  26 
  

  

  plants 
  other 
  than 
  hops 
  and 
  cotton 
  34-35 
  

  

  and 
  lime-sulphur 
  against 
  red 
  spider 
  on 
  hops 
  23-24 
  

  

  value 
  of 
  a 
  second 
  ap- 
  

   plication 
  26-27 
  

  

  preparation 
  -. 
  27 
  

  

  lye-sulphur 
  against 
  red 
  spider 
  on 
  hops 
  25 
  

  

  lime-sulphur, 
  and 
  nicotine 
  sulphate 
  against 
  red 
  spider 
  on 
  hops 
  ... 
  26 
  

  

  spray, 
  preparation 
  27 
  

  

  Fuchsia, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Geranium 
  memlatum, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Geranium, 
  wild. 
  (See 
  Geranium 
  memlatum.) 
  

  

  Godetia, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  v 
  16 
  

  

  Goldenglow. 
  (See 
  Rudbeckia 
  sp.) 
  

   Groundnut. 
  (See 
  Apios 
  apios.) 
  

  

  Gymnocladus 
  canadensis, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Hedge 
  mustard. 
  (See 
  Sisymbrium 
  officinale.) 
  

  

  Helianthus 
  lenticularis, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Heliotrope, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Hemp, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Hippodamia 
  convergens, 
  enemy 
  of 
  red 
  spider 
  19 
  

  

  Hollyhock, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Honeysuckle, 
  food 
  plant 
  of 
  Tetranychus 
  bimaculatus 
  16 
  

  

  Hop 
  flea-beetle. 
  (See 
  Psylliodes 
  punctulata.) 
  

   Hop 
  tree. 
  (See 
  Ptelea 
  trifoliata.) 
  

  

  vines, 
  male 
  and 
  female, 
  relative 
  effect 
  of 
  red 
  spider 
  thereon 
  17 
  

  

  Stripping 
  them 
  for 
  control 
  of 
  hop 
  aphis 
  30 
  

  

  red 
  spider 
  ....._,._ 
  30-32 
  

  

  