﻿786 
  

  

  EEPORT 
  UNITED 
  STATES 
  GEOLOGICAL 
  SURVEY. 
  

  

  The 
  Grape- 
  Vine 
  Colaspis, 
  Colaspis 
  flanda, 
  Lay. 
  (Fig. 
  54). 
  — 
  Eating 
  the 
  terminal 
  

   buds 
  and 
  young 
  leaves, 
  also 
  riddling 
  the 
  leaves. 
  A 
  cream-colored 
  and 
  black 
  beetle. 
  

  

  This 
  little 
  beetle 
  is 
  one 
  of 
  the 
  worst 
  of 
  the 
  forty 
  or 
  fifty 
  different 
  insect-; 
  , 
  

  

  enemies 
  of 
  the 
  grape-vine.lc 
  

  

  :^~ 
  

  

  The 
  beetle 
  ranges 
  from 
  Newii 
  

   York 
  to 
  Illinois 
  and 
  Missouri.! 
  

   It 
  is 
  cream- 
  colored 
  and 
  black, 
  

   with 
  long 
  club-shaped 
  feelers 
  

   'j^ 
  nearly 
  a 
  fifth 
  of 
  an 
  inch 
  long 
  ; 
  

   the 
  head 
  and 
  prothoray 
  are 
  red- 
  

   dish-yellow, 
  while 
  the 
  wing- 
  

   FiG. 
  54.— 
  Grape-Vine 
  Colaspis. 
  2 
  nat. 
  size 
  ; 
  1, 
  covers 
  are 
  black. 
  Hand-pick- 
  

   the 
  same 
  magnified 
  ; 
  a, 
  the 
  larva 
  ; 
  J), 
  end 
  of 
  body 
  jjjg 
  jg 
  ^]^q 
  jj^gt 
  remedy 
  The 
  

   enlarged. 
  (After 
  Eiley.) 
  j^^^^ 
  ^p-^^ 
  ^^ 
  ^-^ 
  ^^^ 
  ^^^^ 
  , 
  

  

  found 
  by 
  Professor 
  Riley 
  to 
  feed 
  on 
  the 
  roots 
  of 
  the 
  strawberry. 
  It 
  , 
  

   transforms 
  in 
  the 
  ground. 
  i 
  

  

  The 
  Vine-Leae 
  Hopper, 
  Erythionenis 
  vitis 
  Harris. 
  (Fig. 
  55). 
  — 
  Swarming 
  upon 
  the 
  1 
  

   leaves 
  in 
  August 
  and 
  early 
  September 
  ; 
  a 
  small, 
  pale 
  yellow 
  leaf-hopper, 
  with 
  two 
  broad 
  i( 
  

   red 
  bands 
  on 
  the 
  wings, 
  causing 
  the 
  leaves 
  to 
  wither. 
  j 
  

  

  This 
  little 
  insect, 
  which 
  I 
  have 
  seen 
  abounding 
  in 
  the 
  vineyard 
  ot^ 
  

  

  the 
  Massachusetts 
  Agricultural 
  '^ 
  

   College 
  early 
  in 
  September, 
  when 
  ' 
  

   the 
  grapes 
  were 
  ripening, 
  is 
  pale 
  

   yellow, 
  with 
  two 
  broad 
  red 
  bands 
  

   and 
  a 
  third 
  dusky 
  one 
  at 
  the 
  !^ 
  

   apex. 
  It 
  is 
  a 
  little 
  over 
  a 
  tenth 
  ^ 
  

   of 
  an 
  inch 
  long. 
  It 
  swarms 
  on 
  * 
  

   the 
  leaves 
  in 
  August, 
  puncturing 
  ' 
  

   them 
  with 
  its 
  tiny 
  beak 
  and 
  draw- 
  

   FiG. 
  55.— 
  Vine-Leaf-Hopper. 
  ing 
  out 
  the 
  sap 
  until 
  the 
  leaves 
  ] 
  

  

  turn 
  yellow 
  and 
  become 
  dry 
  and 
  stiff. 
  The 
  young 
  appear 
  in 
  June, 
  and 
  2 
  

   the 
  leaves 
  are 
  thus 
  depleted 
  for 
  a 
  period 
  of 
  nearly 
  three 
  months. 
  They 
  I 
  

   wither, 
  and 
  hence 
  the 
  plant 
  becomes 
  enfeebled, 
  little 
  new 
  wood 
  is 
  formed, 
  '" 
  

   the 
  canes 
  do 
  not 
  ripen 
  well, 
  and 
  the 
  fruit 
  is 
  stunted 
  and 
  easily 
  mildews, 
  

   while 
  in 
  a 
  few 
  years 
  the 
  vines 
  become 
  exhausted 
  and 
  barren. 
  The 
  leaf- 
  

   hoppers 
  hibernate, 
  and 
  lay 
  their 
  eggs 
  in 
  the 
  spring. 
  As 
  a 
  remedy, 
  wash 
  

   the 
  vines 
  with 
  soap-suds 
  in 
  June, 
  and, 
  if 
  possible, 
  fumigate 
  the 
  leaves 
  

   with 
  tobacco. 
  

  

  The 
  Red-Shouldered 
  Sinoxylon, 
  Sinoxylon 
  hasillare 
  Lay. 
  (Fig. 
  56). 
  — 
  Boring 
  under 
  [ 
  

  

  the 
  bark 
  and 
  into 
  the 
  middle 
  of 
  grape-stems 
  ; 
  

   a 
  short, 
  thick 
  maggot. 
  

  

  This 
  blight 
  insect 
  sometimes 
  bores 
  

   under 
  the 
  bark 
  of 
  the 
  grape, 
  as 
  well 
  

   as 
  in 
  the 
  heart 
  of 
  grape-stems. 
  It 
  also 
  

   tunnels 
  in 
  apple-trees 
  and 
  in 
  the 
  shag- 
  

   bark 
  hickory, 
  boring 
  holes 
  straight 
  

   toward 
  the 
  heart 
  of 
  the 
  tree, 
  and 
  

   changing 
  to 
  tbe 
  pupa 
  state 
  at 
  tbe 
  

   inner 
  ends 
  of 
  their 
  burrows. 
  (Harris.) 
  

   pupa; 
  c, 
  beetle." 
  (After 
  As 
  a 
  remedy, 
  burn 
  the 
  infested 
  twigs- 
  

   or 
  stems. 
  

  

  Fig. 
  56. 
  — 
  Red 
  shouldered 
  Sinoxylon 
  

   larva 
  ; 
  &, 
  

   Riley.) 
  ■ 
  

  

  