﻿CONTENTS 
  

  

  PAGE 
  

  

  Introduction 
  --. 
  951 
  

  

  General 
  entomolosic 
  features.. 
  - 
  951 
  

  

  Office 
  work 
  951 
  

  

  Special 
  investigations.. 
  952 
  

  

  Entomologic 
  field 
  station 
  952 
  

  

  Publications 
  --.. 
  953 
  

  

  Extension 
  work 
  953 
  

  

  Collection 
  of 
  insects 
  954 
  

  

  Voluntary 
  observers 
  954 
  

  

  Acknowledgments 
  954 
  

  

  Injurious 
  insects^ 
  955 
  

  

  Porthetria 
  dispar, 
  gipsy- 
  

   moth 
  955 
  

  

  Ypsolophus 
  pometellus, 
  

  

  palmer 
  worm 
  962 
  

  

  Experimental 
  work 
  with 
  insecti- 
  

   cides 
  967 
  

  

  Conclusions 
  985 
  

  

  Notes 
  for 
  the 
  year^ 
  988 
  

  

  Fruit 
  tree 
  bark 
  beetle 
  (S 
  coly- 
  

  

  tus 
  rugulosus) 
  989 
  

  

  Plum 
  curculio 
  (Conotraehe- 
  

  

  lus 
  nenuphar) 
  989 
  

  

  Pale 
  striped 
  flea 
  beetle 
  (Sys- 
  

  

  tena 
  taeniata) 
  989 
  

  

  Elm 
  leaf 
  beetle 
  (Galeru- 
  

   cella 
  luteola) 
  990 
  

  

  1 
  A 
  general 
  account 
  of 
  each, 
  giving 
  life 
  history 
  

   Interesting 
  facts 
  brought 
  to 
  notice 
  in 
  1900. 
  

  

  PAGE 
  

  

  Gold 
  gilt 
  beetle 
  (Chrysochus 
  

   auratus) 
  991 
  

  

  12 
  spotted 
  asparagus 
  beetle 
  

   (C 
  r 
  i 
  o 
  c 
  e 
  r 
  i 
  s 
  12-p 
  u 
  n 
  c 
  t 
  a 
  t 
  a) 
  991 
  

  

  Grain 
  beetles 
  in 
  a 
  new 
  role 
  992 
  

  

  Snake 
  worm 
  (Sc 
  i 
  ar 
  a 
  species). 
  992 
  

  

  Forest 
  tent-caterpillar 
  (C 
  1 
  1 
  s 
  i 
  o- 
  

   campa 
  disstria) 
  994 
  

  

  Fall 
  army 
  worm 
  (Laphygma 
  

   frugiperda) 
  998 
  

  

  Red-banded 
  leaf 
  -roller 
  (Lopho- 
  

   derus 
  triferana) 
  998 
  

  

  Harlequin 
  cabbage 
  bug 
  (Mnr- 
  

   gantia 
  histrionic 
  a) 
  999 
  

  

  Juniper 
  plant 
  bug 
  (Penta- 
  

   toma 
  juniperina) 
  999 
  

  

  Elm 
  bark 
  louse 
  (Gossyparia 
  

   ulmi) 
  999 
  

  

  Grasshoppers 
  1000 
  

  

  Voluntary 
  entomologic 
  service 
  of 
  

   New 
  York 
  state 
  1000 
  

  

  Summaries 
  of 
  reports 
  from 
  vol- 
  

   untary 
  observers 
  1001 
  

  

  List 
  of 
  publications 
  of 
  the 
  ento- 
  

   mologist 
  1027 
  

  

  Contributions 
  to 
  the 
  collection, 
  

  

  15 
  Oct. 
  1899-14 
  Oct. 
  1900 
  1034 
  

  

  Explan 
  ation 
  of 
  plates 
  1047 
  

  

  Index 
  1049 
  

  

  and 
  habits 
  

  

  Brief 
  records 
  of 
  some 
  of 
  the 
  more 
  

  

  