﻿NO. 
  1124. 
  BEVISIOX 
  OF 
  THE 
  MELAXOPLI—SCrDDER. 
  34»J 
  

  

  intestines 
  of 
  those 
  dissected. 
  The 
  tirst 
  pair 
  taken 
  in 
  coitu 
  was 
  found 
  

   August 
  10, 
  though 
  in 
  Indiana 
  many 
  pairs 
  were 
  found 
  by 
  Bhitchley 
  by 
  

   the 
  first 
  of 
  August. 
  

  

  20. 
  EOBUSTITS 
  SERIES. 
  

  

  In 
  this 
  group 
  tlie 
  male 
  prozona 
  is 
  quadrate 
  or 
  a 
  little 
  longitudinal 
  

   and 
  the 
  interspace 
  between 
  the 
  inesosternal 
  lobes 
  of 
  the 
  same 
  sex 
  

   twice 
  or 
  more 
  than 
  twice 
  as 
  long 
  as 
  broad. 
  The 
  eyes 
  areratber 
  widely 
  

   separated 
  and 
  the 
  frontal 
  costa 
  broad 
  and 
  equal. 
  The 
  jn'osternal 
  spine 
  

   is 
  usually 
  long. 
  The 
  tegmina 
  are 
  fully 
  developed 
  or 
  only 
  a 
  little 
  

   abbreviated 
  and 
  either 
  feebly 
  spotted, 
  longitudinally 
  streaked 
  or 
  wholly 
  

   free 
  from 
  markings 
  j 
  the 
  bind 
  tibiae 
  are 
  yellow 
  or 
  red, 
  with 
  from 
  ten 
  to 
  

   twelve 
  spines 
  in 
  the 
  outer 
  series. 
  

  

  The 
  supraanal 
  plate 
  is 
  shield 
  shaped 
  or 
  triangular 
  with 
  feebly 
  con- 
  

   vex 
  or 
  sinuous 
  sides, 
  and 
  with 
  the 
  surface 
  tolerably 
  tiat; 
  the 
  furculais 
  

   entirely 
  wanting 
  or 
  in 
  one 
  or 
  two 
  instances 
  barely 
  indicated; 
  the 
  cerci 
  

   are 
  excessively 
  broad 
  and 
  stout, 
  apically 
  greatly 
  expanded 
  and 
  tlabel- 
  

   late, 
  with 
  the 
  apical 
  border 
  either 
  convex 
  or 
  more 
  or 
  less 
  emarginate; 
  

   the 
  snbgenital 
  plate 
  is 
  longer 
  than 
  broad, 
  generally 
  moderately 
  narrow, 
  

   a 
  little 
  elevated 
  apically 
  and 
  sometimes 
  considerably 
  lu-olonged, 
  always 
  

   entire. 
  

  

  It 
  comprises 
  insects 
  of 
  the 
  largest 
  size 
  only 
  and 
  of 
  a 
  stout 
  an<l 
  bulky 
  

   aspect. 
  Five 
  species 
  are 
  known, 
  occurring 
  in 
  tlie 
  southern 
  half 
  or 
  

   more 
  of 
  the 
  United 
  States. 
  

  

  I20. 
  MELANOPLUS 
  DIFFERENTIALIS. 
  

  

  (Plate 
  XXIII, 
  tigs. 
  3, 
  4.) 
  

  

  Caloptenus 
  differentialis 
  I'hlkr 
  !, 
  MS. 
  (1863).— 
  Walsh, 
  Kiley, 
  Amer. 
  Ent., 
  I 
  (1868), 
  

   p. 
  16; 
  ibid., 
  I 
  (1869), 
  p. 
  187.— 
  Thomas, 
  Proc. 
  Acad. 
  Nat. 
  Sc. 
  Philad., 
  1871(1871), 
  

   p. 
  149.— 
  Gloaeh, 
  111. 
  N. 
  A. 
  Ent., 
  Ortb. 
  (1872), 
  pi. 
  viii, 
  fig. 
  12, 
  pi. 
  ix, 
  fig. 
  4, 
  

   pi. 
  XI, 
  fig. 
  6.— 
  Thomas, 
  Rep. 
  U. 
  S. 
  Geol. 
  Surv. 
  Terr., 
  V 
  (1873). 
  p. 
  166, 
  pi., 
  

   fig. 
  5; 
  Key 
  111. 
  Orth. 
  (1874-75), 
  p 
  3.— 
  Riley!, 
  Ann. 
  Rep. 
  Ins. 
  Mo., 
  VII 
  (1875), 
  

   pp. 
  124, 
  173, 
  fig. 
  33; 
  ibid., 
  VIII 
  (1876), 
  pp. 
  153, 
  154.— 
  Pitxam, 
  Proc. 
  Dav. 
  

   Acad. 
  Sc, 
  I 
  (1876), 
  p. 
  266.— 
  Thomas, 
  Bull. 
  111. 
  Mus. 
  Nat. 
  Hist., 
  I 
  (1876), 
  p. 
  68.— 
  

   Whitman, 
  (irasshopper 
  (1876), 
  p. 
  19, 
  fig. 
  — 
  Bhtxer, 
  Cau. 
  P^nt., 
  IX 
  (1877), 
  

   p. 
  144.— 
  Bessey, 
  Bienn. 
  Rep. 
  Iowa 
  Agric. 
  Coll., 
  VII 
  (1877), 
  p. 
  209.— 
  Thomas, 
  

   Rep. 
  Eut. 
  111., 
  VI 
  (1877), 
  pp. 
  44-45.— 
  Riley, 
  Loc. 
  Plague 
  (1877), 
  pp. 
  89, 
  194, 
  

   198-201, 
  fig 
  34 
  ; 
  Amer. 
  Xat., 
  XII 
  (1878), 
  p. 
  284; 
  Rep. 
  U. 
  S. 
  Ent. 
  Conim., 
  I 
  (1878), 
  

   pp. 
  220, 
  223, 
  225-226, 
  228, 
  298-299, 
  301, 
  327, 
  447, 
  4.59,figs. 
  32, 
  110, 
  pi. 
  iv, 
  fig. 
  1.— 
  

   Thomas, 
  ibid., 
  I 
  (1878), 
  p. 
  42 
  ; 
  Bull. 
  U. 
  S. 
  Geol. 
  Surv. 
  Terr., 
  IV 
  (1878), 
  p. 
  500 
  — 
  

   Riley, 
  Bull. 
  U. 
  S. 
  Ent. 
  Comm., 
  Ill 
  (1880), 
  p. 
  39; 
  Amer. 
  Ent., 
  Ill 
  (1880), 
  p. 
  

   220.— 
  Thomas, 
  Rep. 
  Eut. 
  111., 
  IX 
  (1880), 
  pp. 
  91, 
  96, 
  127-128, 
  fig. 
  24; 
  Rep. 
  U. 
  S. 
  

   Ent. 
  Comm., 
  II 
  (1881), 
  pp. 
  106-107.— 
  Lixtxek, 
  Ins. 
  Clover 
  (1S81), 
  p. 
  5.— 
  

   OsBORN, 
  Amer. 
  Xat., 
  XVII 
  (1883), 
  pp. 
  1286-1287.— 
  Brixer, 
  Rep. 
  U. 
  S. 
  Ent. 
  

   Comm., 
  Ill 
  (1883), 
  pp. 
  54, 
  60.— 
  Forhes, 
  Rep. 
  Ins. 
  111., 
  XIV 
  (1884), 
  p. 
  23.— 
  

   Riley, 
  Stand. 
  Nat. 
  Hist. 
  , 
  II 
  (1884), 
  pp. 
  194-19.5, 
  fig.271.— 
  Osborx, 
  Bull. 
  Iowa 
  

   Agric. 
  Coll. 
  Dep. 
  Ent., 
  II 
  (1884), 
  p. 
  83.— 
  Bruxer, 
  Rep. 
  U. 
  S. 
  Ent., 
  1884 
  (1885), 
  

   p. 
  399.— 
  Riley, 
  Amer. 
  Nat., 
  XX 
  (1886), 
  pp. 
  558-.559.— 
  Cook, 
  Beal's 
  Grasses 
  

   N. 
  A., 
  I 
  (1887), 
  p. 
  373.— 
  Weed, 
  Bull. 
  Obio 
  Agric. 
  Exp. 
  St., 
  Techu. 
  Ser.. 
  I 
  

   (1889), 
  pp. 
  40-41.— 
  LLUiOER. 
  Rep. 
  Agric. 
  Exp. 
  St. 
  Minn. 
  (1889), 
  p. 
  340, 
  fig. 
  16.— 
  

  

  