﻿CANKER 
  WORMS: 
  PAST 
  HISTORY. 
  169 
  

  

  upon 
  the 
  trees, 
  and 
  that 
  many 
  of 
  the 
  starved 
  larvae 
  died 
  before 
  they 
  

   reached 
  the 
  perfect 
  state, 
  though, 
  he 
  says, 
  it 
  may 
  be 
  that 
  the 
  frosts 
  and 
  

   unusually 
  cold 
  weather 
  which 
  occurred 
  in 
  the 
  spring 
  of 
  180G, 
  soon 
  after 
  

   the 
  insects 
  hatched, 
  destroyed 
  many 
  of 
  them. 
  Means 
  either 
  of 
  destruc- 
  

   tion 
  or 
  of 
  prevention 
  had 
  not 
  been 
  much 
  used. 
  Mr. 
  Howard 
  says 
  that, 
  

   according 
  to 
  information 
  published 
  by 
  Mr. 
  Lyon, 
  of 
  Plymouth, 
  in 
  the 
  

   Western 
  Rural, 
  the 
  insect 
  had 
  appeared, 
  in 
  1866 
  C?), 
  in 
  other 
  localities 
  

   in 
  Michigan. 
  They 
  were 
  very 
  injurious 
  in 
  the 
  Grand 
  Traverse 
  region 
  

   of 
  Michigan, 
  in 
  1865 
  especially, 
  and 
  about 
  the 
  same 
  time 
  in 
  other 
  parts 
  

   of 
  that 
  State. 
  

  

  Mr. 
  J. 
  W. 
  Eobson, 
  of 
  Tremont, 
  111.,'^^ 
  says, 
  in 
  1871, 
  that 
  the 
  Canker 
  

   Worm 
  is 
  not 
  yet 
  very 
  common 
  in 
  the 
  localitj^ 
  where 
  he 
  resides 
  j 
  that 
  he 
  

   discovered 
  it 
  in 
  his 
  orchard 
  in 
  1865, 
  and 
  has 
  seen 
  it 
  in 
  other 
  orchards 
  

   in 
  the 
  same 
  vicinity 
  since 
  then. 
  

  

  From 
  statements 
  by 
  Mr. 
  Wm. 
  P. 
  Lippincott, 
  of 
  Vernon, 
  Van 
  Buren 
  

   County, 
  Iowa, 
  they 
  occurred 
  in 
  that 
  county 
  in 
  and 
  previous 
  to 
  the 
  year 
  

   1866. 
  '5 
  

  

  Bethune 
  states 
  "^^ 
  that 
  the 
  Canker 
  Worm 
  is 
  related, 
  in 
  the 
  Canada 
  

   Farmer 
  for 
  May 
  1, 
  1867, 
  to 
  have 
  been 
  taken 
  at 
  Grimsby, 
  Ontario, 
  in 
  

   the 
  previous 
  November 
  (1866) 
  by 
  Mr. 
  Johnson 
  Pettit. 
  Previous 
  to 
  

   this 
  time 
  it 
  had 
  not 
  been 
  included 
  in 
  the 
  list 
  of 
  Canadian 
  lepidoptera. 
  

  

  Mr. 
  J. 
  D. 
  Dopf 
  informs 
  us 
  that 
  Canker 
  Worms 
  were 
  exceedingly 
  

   troublesome 
  to 
  the 
  elms 
  at 
  Eockport, 
  Atchison 
  County, 
  Missouri, 
  in 
  

   1866. 
  ■^^ 
  In 
  that 
  year, 
  according 
  to 
  Mr. 
  B. 
  D. 
  Walsh, 
  it 
  had 
  not 
  yet 
  

   reached 
  the 
  vicinity 
  of 
  Eock 
  Island, 
  Eock 
  Island 
  County, 
  Illinois.'^^ 
  

  

  E. 
  P., 
  of 
  Mexico, 
  Audrain 
  County, 
  Missouri, 
  found 
  it 
  very 
  injurious 
  

   (in 
  his 
  county) 
  in 
  the 
  spring 
  of 
  1868."^^ 
  

  

  <' 
  A 
  gentleman 
  from 
  Genesee," 
  N. 
  Y., 
  is 
  said^° 
  in 
  1874, 
  to 
  have 
  become 
  

   so 
  discauraged 
  in 
  a 
  six-years' 
  contest 
  with 
  the 
  Canker 
  Worm 
  that 
  he 
  

   finally 
  cut 
  down 
  his 
  orchard 
  the 
  previous 
  spring 
  [1873?]. 
  

  

  E. 
  F. 
  Curtis, 
  of 
  Eockford, 
  Winnebago 
  County, 
  Illinois, 
  writing 
  in 
  

   1872,81 
  says 
  that 
  "the 
  Cariker 
  or 
  Measuring 
  Worm, 
  which 
  made 
  its 
  

   appearance 
  in 
  this 
  part 
  of 
  the 
  country 
  but 
  a 
  few 
  years 
  sinde, 
  has 
  been 
  

   spreading 
  rapidly, 
  and 
  now 
  may 
  be 
  seen 
  in 
  almost 
  every 
  township 
  in 
  

   the 
  Northwest.'' 
  

  

  Le 
  Baron 
  reports 
  ^^ 
  serious 
  damage 
  by 
  them 
  from 
  Clinton, 
  Eock 
  County, 
  

   Wisconsin, 
  and 
  Duquoin, 
  Perry 
  County, 
  southern 
  Illinois, 
  as 
  well 
  as 
  

   from 
  several 
  intermediate 
  places, 
  in 
  1871. 
  Eeports 
  of 
  their 
  injuries 
  

   were 
  communicated 
  to 
  the 
  Department 
  of 
  Agriculture, 
  at 
  Washington, 
  

  

  " 
  Western 
  Parmer, 
  May 
  13, 
  1871. 
  

   "Pract. 
  Entom., 
  v. 
  1, 
  p. 
  96. 
  

   '6 
  Can. 
  Entom., 
  v. 
  1, 
  pp. 
  88-89. 
  

   "Second 
  Kept. 
  Ina. 
  Mo., 
  p. 
  98. 
  

   "Pract. 
  Eutom., 
  v. 
  1, 
  p. 
  77, 
  

   "Second 
  Kept. 
  Ins. 
  Mo., 
  p. 
  97. 
  

   8»New 
  York 
  Ttibune, 
  April 
  1.5, 
  1874. 
  

   81 
  Iowa 
  Homestead, 
  Sept. 
  6, 
  1872. 
  

   82 
  Second 
  Kept. 
  Ins. 
  Ill, 
  p. 
  101. 
  

  

  