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  Fig. 
  51. 
  The 
  Black-winged 
  Grasshopper, 
  Dissosteira 
  

   Carolina. 
  (Lugger.) 
  

  

  backward 
  from 
  the 
  head 
  is 
  dis- 
  

   tinct 
  and 
  sharp, 
  while 
  in 
  our 
  

   other 
  common 
  species 
  from 
  

   the 
  beet 
  there 
  is 
  little 
  trace 
  of 
  

   such 
  a 
  ridge. 
  

  

  This 
  grasshopper 
  matures 
  

   early, 
  having 
  been 
  taken 
  from 
  

   June 
  25th 
  until 
  fall. 
  It 
  pairs 
  

   early 
  in 
  August 
  and 
  deposits 
  

   eggs 
  in 
  August 
  and 
  September. 
  

  

  Trimerotropis 
  latifasciata 
  

   Scudd. 
  

  

  This 
  species 
  has 
  been 
  sev- 
  

   eral 
  times 
  reported 
  as 
  injurious 
  

   to 
  the 
  sugar 
  beet 
  in 
  western 
  

   Nebraska, 
  but 
  is 
  not 
  found 
  in 
  

   Illinois. 
  

  

  Spharagemon 
  ceqtiale 
  Scudd. 
  

  

  This 
  is 
  a 
  widespread 
  insect 
  in 
  Nebraska, 
  where 
  it 
  is 
  reported 
  as 
  

   feeding 
  upon 
  the 
  sugar 
  beet, 
  but 
  not 
  in 
  numbers 
  to 
  make 
  it 
  especially 
  

   injurious. 
  It 
  is 
  not 
  known 
  to 
  occur 
  in 
  Illinois. 
  

  

  Schistocerca 
  aliitacea 
  Harr. 
  

   {Acridium 
  alutaceuni 
  Harr., 
  and 
  A. 
  eniargifiatum 
  Uhl.) 
  

   This 
  species 
  is 
  generally 
  rare 
  in 
  

   Illinois, 
  becoming 
  more 
  common 
  

   westward. 
  It 
  is 
  mentioned 
  by 
  Os- 
  

   born 
  among 
  the 
  grasshoppers 
  most 
  

   numerous 
  on 
  sugar 
  beets 
  in 
  Iowa. 
  

   It 
  is 
  found 
  from 
  July 
  to 
  October. 
  

  

  The 
  Lubber 
  Grasshopper. 
  

   Melanoplus 
  differentialis 
  Thos. 
  

   This 
  is 
  a 
  very 
  common 
  and 
  

   widely 
  distributed 
  grasshopper, 
  its 
  

   normal 
  range 
  extending 
  from 
  the 
  

   Pacific 
  to 
  Indiana, 
  and 
  south 
  to 
  

   Mexico. 
  Its 
  uniform 
  dark 
  olive 
  

   color 
  and 
  large 
  size, 
  taken 
  in 
  con- 
  

   nection 
  with 
  its 
  distinctive 
  features 
  

   mentioned 
  above, 
  will 
  readily 
  serve 
  

   to 
  identify 
  it. 
  Next 
  to 
  the 
  red- 
  

   legged 
  species 
  it 
  is 
  our 
  most 
  injuri- 
  Pi^. 
  5,. 
  schistocerca 
  alutacea. 
  (Lugger.) 
  

  

  