﻿NO. 
  1124. 
  REVISION 
  OF 
  THE 
  MELANOrLI—SCVDDEB. 
  171 
  

  

  22. 
  MELANOPLUS 
  AFFINIS, 
  new 
  species. 
  

  

  (Plate 
  XII, 
  fig. 
  2.) 
  

  

  Melanoplus 
  affinis 
  Bruner!, 
  MS. 
  

  

  [Some 
  of 
  the 
  synonymy 
  given 
  under 
  M. 
  aflanis 
  almost 
  certainly 
  belongs 
  here.] 
  

  

  Slightly 
  above 
  tlie 
  medium 
  size, 
  rather 
  robust, 
  griseo-fuscous, 
  testa- 
  

   ceous 
  beneath. 
  Head 
  olivaceo-plumbeous, 
  the 
  clypeus 
  and 
  labrum 
  

   paler, 
  above 
  more 
  or 
  less 
  rufous 
  and 
  marked 
  with 
  fuscous, 
  with 
  a 
  

   piceous 
  postocular 
  band; 
  vertex 
  gently 
  tumid, 
  slightly 
  elevated 
  above 
  

   the 
  pronotum, 
  the 
  interspace 
  between 
  the 
  eyes 
  half 
  as 
  broad 
  again 
  

   (male) 
  or 
  fully 
  twice 
  as 
  broad 
  (female) 
  as 
  the 
  first 
  antenna! 
  joint; 
  fas- 
  

   tigium 
  very 
  steeply 
  declivent, 
  broadly 
  and 
  considerably 
  (male) 
  or 
  feebly 
  

   (female) 
  sulcate; 
  frontal 
  costa 
  reaching 
  or 
  almost 
  reaching 
  the 
  clypeus, 
  

   as 
  broad 
  as 
  the 
  interspace 
  between 
  the 
  eyes, 
  feebly 
  narrowed 
  above 
  at 
  

   least 
  in 
  the 
  male, 
  irregularly 
  punctate 
  throughout 
  but 
  more 
  densely 
  

   above 
  than 
  below, 
  feebly 
  sulcate 
  at 
  and 
  slightlybelow 
  the 
  ocellus; 
  eyes 
  

   moderately 
  large, 
  not 
  very 
  prominent, 
  much 
  longer 
  than 
  the 
  intraocular 
  

   portion 
  of 
  the 
  genae; 
  antennae 
  flavo- 
  testaceous, 
  about 
  three-fourths 
  

   (male) 
  or 
  about 
  two-thirds 
  (female) 
  as 
  long 
  as 
  the 
  hind 
  femora. 
  Prono- 
  

   tum 
  subequal, 
  expanding 
  a 
  little 
  on 
  the 
  metazona, 
  darker 
  above 
  than 
  

   on 
  the 
  sides, 
  the 
  lateral 
  lobes 
  of 
  the 
  prozona 
  with 
  a 
  more 
  or 
  less 
  dis- 
  

   tinct, 
  sometimes 
  broken, 
  broad, 
  i)iceous, 
  postocular 
  band, 
  the 
  disk 
  nearly 
  

   plane 
  but 
  broadly 
  convex, 
  passing 
  into 
  the 
  subvertical 
  lateral 
  lobes 
  by 
  

   a 
  well 
  rounded 
  but 
  distinct 
  shoulder, 
  forming 
  tolerably 
  distinct 
  lateral 
  

   carinae 
  on 
  the 
  metazona; 
  median 
  carina 
  percurrent, 
  distinctly 
  feebler 
  

   on 
  the 
  prozona 
  than 
  on 
  the 
  metazona, 
  as 
  distinct 
  between 
  the 
  sulci 
  as 
  

   in 
  advance 
  of 
  them 
  ; 
  front 
  margin 
  very 
  feebly 
  and 
  very 
  narrowly 
  tlaring, 
  

   truncate, 
  hind 
  margin 
  obtusangulate, 
  the 
  angle 
  not 
  much 
  rounded; 
  

   prozona 
  feebly 
  longitudinal 
  or 
  quadrate 
  (male) 
  or 
  somewhat 
  transverse 
  

   (female), 
  scarcely 
  if 
  any 
  longer 
  (male) 
  or 
  faintly 
  shorter 
  (female) 
  than 
  

   the 
  densely 
  but 
  somewhat 
  obscurely 
  punctate 
  metazona. 
  Prosternal 
  

   spine 
  moderately 
  long, 
  cylindrical, 
  erect, 
  very 
  blunt 
  and 
  faintly 
  appressed 
  

   in 
  the 
  male, 
  similar 
  but 
  shorter 
  and 
  more 
  conical 
  in 
  the 
  female; 
  inter- 
  

   space 
  between 
  mesosternal 
  lobes 
  twice 
  or 
  more 
  than 
  twice 
  as 
  long 
  as 
  

   broad 
  (male) 
  or 
  subquadrate 
  (female). 
  Tegmina 
  surpassing 
  considera- 
  

   bly 
  the 
  hind 
  femora, 
  moderately 
  narrow, 
  tapering 
  feebly, 
  rufo-fuscous 
  

   or 
  griseo-fuscous, 
  with 
  a 
  distinct 
  but 
  more 
  or 
  less 
  pronounced 
  median 
  

   series 
  of 
  fuscous 
  anuulations 
  intercalated 
  in 
  basal 
  half 
  between 
  more 
  or 
  

   less 
  pronounced 
  pallid 
  dashes 
  or 
  spots; 
  wings 
  hyaline, 
  the 
  veins 
  heavily 
  

   infuscated 
  apically 
  and 
  anteriorly. 
  Fore 
  and 
  middle 
  femora 
  of 
  male 
  

   moderately 
  tumid 
  ; 
  hind 
  femora 
  rufo-testaceous, 
  more 
  or 
  less 
  clouded 
  

   with 
  fuscous 
  and 
  feebly 
  bifasciate 
  with 
  fuscous 
  above, 
  the 
  lower 
  face 
  and 
  

   at 
  least 
  the 
  lower 
  half 
  of 
  the 
  inner 
  face 
  roseate, 
  the 
  genicular 
  arc 
  black 
  ; 
  

   hind 
  tibiae 
  pale 
  glaucous, 
  tiavescent 
  at 
  apex 
  and 
  with 
  a 
  fuscous 
  patel- 
  

   lar 
  spot, 
  the 
  spines 
  black 
  on 
  more 
  than 
  the 
  apical 
  half, 
  eleven, 
  occasion- 
  

   ally 
  twelve, 
  in 
  number 
  in 
  the 
  outer 
  series. 
  Exjtremity 
  of 
  male 
  abdomen 
  

  

  