﻿65 
  

  

  (jlohnliferuni. 
  A 
  few 
  youns; 
  bugs 
  dead 
  also 
  and 
  covered 
  with 
  fresh 
  

   growth 
  of 
  this 
  fungus 
  parasite 
  — 
  less 
  than 
  two 
  per 
  cent, 
  of 
  those 
  in 
  

   the 
  field, 
  according 
  to 
  the 
  estimate 
  reporied. 
  No 
  Entomophthora 
  seen 
  

   at 
  this 
  time. 
  

  

  Jane 
  13. 
  No 
  old 
  bugs 
  seen 
  and 
  but 
  comparatively 
  few 
  of 
  any 
  age. 
  

   Wheat 
  and 
  rye 
  mostly 
  cut 
  and 
  some 
  fields 
  plowed. 
  Grass 
  on 
  road- 
  

   sides 
  adjacent 
  to 
  fields 
  formerly 
  infested, 
  fairly 
  well 
  covered 
  with 
  

   bugs. 
  No 
  dead 
  observed. 
  

  

  June 
  24. 
  More 
  numerous 
  here 
  than 
  at 
  points 
  farther 
  south, 
  but 
  

   less 
  so 
  than 
  at 
  Mattoon. 
  A 
  few 
  dead 
  covered 
  with 
  Entomophthora. 
  

  

  June 
  27. 
  Specimens 
  from 
  collection 
  made 
  on 
  the 
  above 
  trip 
  of 
  

   June 
  2-4 
  at 
  Eclgewood 
  were 
  kept 
  for 
  study 
  of 
  development 
  of 
  disease 
  

   and 
  causes 
  of 
  death. 
  July 
  2, 
  twenty-three 
  specimens 
  placed 
  on 
  moist 
  

   sand 
  in 
  Petri 
  dish; 
  no 
  muscardine 
  detected, 
  but 
  common 
  mold. 
  

  

  June 
  HO. 
  Twenty-six 
  specimens 
  removed. 
  July 
  2, 
  no 
  muscardine 
  

   of 
  any 
  kind. 
  Another 
  lot 
  of 
  fifty 
  specimens 
  placed 
  on 
  damp 
  sand 
  on 
  

   this 
  date. 
  July 
  2, 
  one 
  with 
  Eatomjpathora; 
  no 
  Sporotrichiim. 
  

  

  July 
  1. 
  Four 
  specimens 
  remjved. 
  July 
  2, 
  no 
  appearance 
  of 
  

   muscardine. 
  

  

  Jidii 
  2. 
  Same 
  fields 
  visited 
  as 
  on 
  trij) 
  of 
  June 
  24. 
  ' 
  Entomological 
  

   conditions 
  unchanged 
  except 
  that 
  about 
  two 
  per 
  cent, 
  of 
  bugs 
  seem 
  

   to 
  have 
  been 
  killed 
  by 
  Entomophthora 
  and 
  a 
  few 
  from 
  causes 
  not 
  

   apparent. 
  

  

  July 
  It. 
  Trip 
  made 
  by 
  ]Mr. 
  Snow, 
  detailed 
  notes 
  of 
  which 
  are 
  not 
  

   on 
  file. 
  Ealofrioph.Hiont 
  (ip'inlix 
  abundant 
  in 
  fi'.dds 
  at 
  this 
  time, 
  more 
  

   so 
  than 
  on 
  any 
  other 
  visit 
  by 
  this 
  observer 
  up 
  to 
  that 
  .late. 
  Live 
  

   bugs 
  were 
  secured 
  for 
  the 
  laboratory 
  

  

  July 
  13. 
  Experimental 
  box 
  for 
  study 
  of 
  causes 
  of 
  death 
  stocked 
  

   from 
  collections 
  made 
  at 
  Edgewood 
  July 
  11. 
  Unlike 
  thot^e 
  for 
  pre- 
  

   ceding 
  experiments 
  of 
  this 
  character, 
  these 
  were 
  mostly 
  in 
  the 
  so- 
  

   called 
  pupal 
  stage. 
  

  

  July 
  14. 
  Twenty 
  dead 
  removed 
  and 
  placed 
  on 
  moist 
  sand. 
  Three 
  

   dead 
  with 
  Entomophthora 
  by 
  afternoon 
  of 
  same 
  da 
  v. 
  one 
  with 
  

   swollen 
  abdomen, 
  indicating 
  bacterial 
  decay. 
  July 
  15, 
  five 
  more 
  

   dead 
  with 
  Etitomophthora. 
  Julv 
  Ki, 
  two 
  dead 
  with 
  S 
  ^orotrichum; 
  

   several 
  undergoing 
  bacterial 
  decay. 
  July 
  1«, 
  one 
  more 
  exhibited 
  

   Sporotriflium. 
  July 
  20, 
  no 
  further 
  change; 
  discontinued. 
  

  

  July 
  15. 
  Twenty 
  dead 
  removed. 
  July 
  If), 
  no 
  parasitic 
  fungus, 
  

   but 
  two 
  or 
  three 
  decaying, 
  with 
  abdominal 
  distention. 
  July 
  Irf, 
  one 
  

   bug 
  with 
  Sporotrichum. 
  July 
  2 
  ). 
  no 
  change 
  except 
  the 
  ripening 
  of 
  

   this 
  fungus; 
  discontinued. 
  

  

  July 
  1(1 
  Twenty 
  removed. 
  One 
  dc-ad 
  with 
  Entomophthora 
  on 
  

   afN 
  r 
  i')i)n 
  of 
  same 
  day: 
  ' 
  ' 
  ''h 
  swollen 
  ab 
  lomens, 
  indi- 
  

  

  c 
  ■ 
  • 
  bactcH-ial 
  decav. 
  m) 
  si 
  j,-niticant 
  change. 
  July 
  

  

  2'j, 
  Entomophthora 
  disappeared. 
  Juiy 
  25, 
  no 
  new 
  development; 
  ex- 
  

   periment 
  discontinued. 
  

  

  — 
  5 
  

  

  