﻿192 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  vol.xx. 
  

  

  29. 
  MELANOPLUS 
  CONSANGUINEUS, 
  new 
  species. 
  

   (Plate 
  XII, 
  fi,n-. 
  10.) 
  

  

  Dark 
  ferrugiueo-fuscous. 
  Head 
  sliglitly 
  promineut, 
  very 
  dark 
  tes- 
  

   taceous, 
  lieavily 
  infuscated 
  above 
  and 
  sometimes 
  flecked 
  with 
  fuscous 
  

   on 
  face 
  and 
  ticnae, 
  a 
  piceous 
  band 
  behind 
  the 
  eyes; 
  vertex 
  rather 
  

   tumid, 
  well 
  raised 
  above 
  the 
  pronotum, 
  the 
  interspace 
  between 
  the 
  

   eyes 
  rather 
  narrow, 
  about 
  as 
  wide 
  as 
  (male) 
  or 
  a 
  little 
  wider 
  than 
  

   (female) 
  the 
  first 
  antennal 
  joint; 
  fastigium 
  steeply 
  declivent, 
  broadly 
  

   and 
  rather 
  deeply 
  sulcate; 
  frontal 
  costa 
  erpial 
  (fenuile) 
  or 
  nai-rowed 
  

   above 
  (male), 
  at 
  its 
  broadest 
  considerably 
  (male) 
  or 
  somewhat 
  (female) 
  

   broader 
  than 
  the 
  interspace 
  between 
  the 
  eyes, 
  fading 
  below, 
  slightly 
  

   sulcate 
  at 
  and 
  below 
  the 
  ocellus, 
  seriately 
  punctate 
  on 
  the 
  sides; 
  ej^es 
  

   as 
  in 
  M. 
  dlmlnutKs; 
  antennae 
  dark 
  castaneous, 
  less 
  than 
  two-thirds 
  as 
  

   long 
  as 
  the 
  hind 
  femora, 
  of 
  about 
  equal 
  relative 
  length 
  in 
  the 
  two 
  sexes. 
  

   Pronotum 
  subequal, 
  enlarging 
  a 
  little 
  on 
  the 
  metazona 
  and 
  feebly 
  in 
  

   front; 
  front 
  margin 
  truncate, 
  hind 
  margin 
  obtusangnlate, 
  the 
  lateral 
  

   lobes 
  with 
  a 
  broad 
  piceous 
  belt 
  across 
  the 
  prozona 
  above, 
  below 
  which 
  

   they 
  are 
  lighter 
  than 
  the 
  disk 
  ; 
  median 
  carina 
  distiu(;t 
  on 
  the 
  metazona, 
  

   feeble 
  on 
  the 
  prozona, 
  and 
  nearly 
  obsolete 
  between 
  the 
  sulci; 
  lateral 
  

   carinae 
  marked 
  only 
  by 
  a 
  rounded 
  shoulder 
  more 
  distinct 
  on 
  the 
  meta- 
  

   zona 
  than 
  on 
  the 
  prozona; 
  prozona 
  subquadrate, 
  scarcely 
  longer 
  than 
  

   the 
  tinely 
  and 
  not 
  sharply 
  punctate 
  metazona. 
  Prosternal 
  spine 
  erect 
  

   and 
  rather 
  long, 
  conico-cyliudrical 
  (male) 
  or 
  rather 
  short, 
  appressed 
  

   conical 
  (female); 
  interspace 
  between 
  mesosternal 
  lobes 
  about 
  half 
  as 
  

   long 
  again 
  as 
  broad 
  (male), 
  or 
  only 
  a 
  little 
  longer 
  than 
  broad 
  (female). 
  

   Tegmina 
  nearly 
  reaching 
  (male) 
  or 
  slightly 
  surpassing 
  (female) 
  the 
  tip 
  

   of 
  the 
  hind 
  femora, 
  rather 
  slender, 
  tapering, 
  strongly 
  rounded 
  apically^ 
  

   dark 
  fuscous 
  with 
  tolerably 
  distinct 
  maculation 
  in 
  the 
  discoidal 
  area; 
  

   wings 
  not 
  very 
  broad, 
  hyaline, 
  with 
  glauco-fuscous 
  veins. 
  Hind 
  femora 
  

   dull 
  testaceous, 
  marked 
  as 
  in 
  M. 
  (liminuttfs, 
  the 
  hind 
  tibiae 
  glaucous, 
  

   the 
  spines 
  pallid 
  at 
  base, 
  black 
  at 
  tip, 
  ten 
  to 
  eleven 
  in 
  number 
  in 
  the 
  

   outer 
  series. 
  Extremity 
  of 
  male 
  abdomen 
  clavate, 
  well 
  upturned, 
  the 
  

   supraanal 
  plate 
  triangular, 
  the 
  lateral 
  margins 
  broadly 
  elevated 
  and 
  

   at 
  base 
  well 
  rounded, 
  the 
  median 
  sulcus 
  narrow 
  and, 
  except 
  apically, 
  

   deep, 
  its 
  bounding 
  walls 
  rather 
  high 
  and 
  abrupt; 
  fnrcula 
  consisting 
  of 
  

   a 
  pair 
  of 
  depressed, 
  rather 
  slender, 
  tapering, 
  acuminate, 
  slightly 
  

   divergent 
  fingers, 
  falling 
  somewhat 
  short 
  of 
  the 
  middle 
  of 
  the 
  supraanal 
  

   plate; 
  cerci 
  small 
  and 
  slender, 
  about 
  four 
  times 
  as 
  long 
  as 
  broad, 
  nearly 
  

   straight 
  but 
  gently 
  incur\ed 
  throughout, 
  broadly 
  rounded 
  apically, 
  

   subequal 
  but 
  tapering 
  slightly 
  on 
  basal 
  half, 
  the 
  apical 
  third 
  deeply 
  

   sulcate 
  exteriorly, 
  the 
  whole 
  considerably 
  shorter 
  than 
  the 
  sajn-aanal 
  

   lilate; 
  subgenital 
  plate 
  moderately 
  broad 
  and 
  short, 
  the 
  lateral 
  margins 
  

   somewhat 
  abruptly 
  and 
  moderately 
  elevated 
  ai)ically, 
  but 
  not 
  ])ro. 
  

   longed 
  posteriorly, 
  the 
  apical 
  margin 
  narrowly 
  snbtruncate 
  and 
  feebly 
  

   emavginate. 
  

  

  