﻿154 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  

  

  long 
  as 
  (female) 
  the 
  hiud 
  femora, 
  ferruginous, 
  more 
  or 
  less 
  infuscated 
  

   apically. 
  Pronotum 
  subequal 
  on 
  the 
  prozona, 
  the 
  metazona 
  expanding 
  

   gently, 
  the 
  front 
  margin 
  subtruncate, 
  the 
  hind 
  margin 
  obtusely 
  angulate, 
  

   the 
  angle 
  well 
  rounded, 
  the 
  disk 
  gently 
  convex, 
  passing 
  insensibly 
  into 
  

   the 
  lateral 
  lobes, 
  the 
  median 
  carina 
  slight 
  on 
  the 
  metazona, 
  indicated 
  

   only 
  by 
  a 
  pallid 
  line 
  on 
  the 
  prozona, 
  the 
  metazona 
  closely 
  and 
  delicately 
  

   jmnctate, 
  the 
  prozona 
  a 
  little 
  longitudinal 
  (male) 
  or 
  quadrate 
  (female), 
  

   slightly 
  longer 
  than 
  the 
  metazona. 
  Prosternal 
  spine 
  long, 
  conical, 
  

   erect, 
  blunt, 
  a 
  little 
  shorter 
  in 
  the 
  female 
  than 
  in 
  the 
  male; 
  sternum 
  

   sparsely 
  punctate, 
  the 
  interval 
  between 
  the 
  mesosternal 
  lobes 
  consid- 
  

   erably 
  more 
  than 
  twice 
  (male) 
  or 
  fully 
  twice 
  (female) 
  as 
  long 
  as 
  broad, 
  

   the 
  metasternal 
  lobes 
  attingeut 
  over 
  a 
  considerable 
  space 
  (male) 
  or 
  

   approximate 
  (female). 
  Tegmina 
  slender, 
  gently 
  tapering, 
  well 
  rounded 
  

   at 
  tip, 
  surpassing 
  considerably 
  the 
  tips 
  of 
  the 
  hind 
  femora, 
  without 
  

   markings; 
  wings 
  ample, 
  pellucid, 
  the 
  veins 
  and 
  cross 
  veins 
  glaucous, 
  

   more 
  and 
  more 
  infuscated 
  apically. 
  Femora 
  green, 
  or 
  more 
  or 
  less 
  

   infuscated 
  or 
  embrowned, 
  the 
  hind 
  pair 
  rarely 
  having 
  the 
  upper 
  face 
  

   infuscated 
  with 
  feeble, 
  never 
  distinct, 
  fuscous 
  clouds, 
  the 
  genicular 
  arc 
  

   more 
  or 
  less 
  testaceous 
  above; 
  hind 
  tibiae 
  very 
  faintly 
  incurved, 
  green 
  

   becoming 
  feebly 
  tlavescent 
  apically, 
  the 
  spines 
  rather 
  short, 
  pallid 
  

   green, 
  briefly 
  black 
  tipped, 
  ten 
  in 
  number 
  in 
  the 
  outer 
  series. 
  

   Extremity 
  of 
  the 
  male 
  abdomen 
  subclavate, 
  upturned, 
  the 
  supraanal 
  

   plate 
  subclypeate, 
  narrowing 
  gently 
  in 
  the 
  basal, 
  rapidly 
  in 
  the 
  apical 
  

   half, 
  slightly 
  constricted 
  in 
  the 
  middle 
  of 
  the 
  basal 
  half, 
  the 
  apex 
  

   rectangulate, 
  the 
  sides 
  broadly 
  and 
  considerably 
  elevated, 
  the 
  rest 
  of 
  

   the 
  surface 
  plane 
  with 
  a 
  scarcely 
  ijerceptible 
  median 
  sulcus, 
  except 
  

   apically 
  where 
  it 
  is 
  slight; 
  furcula 
  consisting 
  of 
  a 
  pair 
  of 
  very 
  large, 
  

   broad, 
  depressed 
  plates, 
  originating 
  at 
  the 
  base 
  of 
  the 
  last 
  dorsal 
  

   segment 
  and 
  reaching 
  almost 
  to 
  the 
  middle 
  of 
  the 
  supraanal 
  plate, 
  

   subequal 
  and 
  attingent 
  for 
  half 
  their 
  length, 
  beyond 
  with 
  their 
  inner 
  

   margin 
  roundly 
  excised, 
  the 
  apex 
  obliquely 
  and 
  broadly 
  truncate, 
  so 
  that 
  

   the 
  inner 
  apical 
  angle 
  is 
  acute; 
  cerci 
  rather 
  small, 
  rapidly 
  narrowing 
  

   on 
  the 
  basal 
  half 
  by 
  the 
  declivence 
  of 
  the 
  upper 
  margin, 
  beyond 
  equal, 
  

   compressed 
  cylindrical, 
  blunt 
  tipped, 
  straight, 
  distinctly 
  shorter 
  than 
  

   the 
  su[)raanal 
  plate 
  and 
  not 
  greatly 
  surpassing 
  the 
  last 
  ventral 
  

   segment; 
  subgenital 
  plate 
  moderately 
  narrow, 
  subequal, 
  the 
  lateral 
  

   margin 
  straight, 
  the 
  apex 
  not 
  in 
  the 
  least 
  elevated 
  and 
  but 
  feebly 
  

   prolonged, 
  strongly 
  rounded 
  as 
  viewed 
  from 
  above. 
  

  

  Length 
  of 
  body, 
  male, 
  23 
  mm., 
  female, 
  28.5 
  mm.; 
  antennae, 
  male, 
  

   13 
  mm., 
  female, 
  *J.5 
  mm.; 
  tegmina, 
  male, 
  21 
  mm., 
  female 
  23.5 
  mm.; 
  

   bind 
  femora, 
  male, 
  12 
  mm., 
  female, 
  14.3 
  mm. 
  

  

  Seven 
  males, 
  eight 
  females. 
  El 
  Paso, 
  Texas, 
  November 
  (U.S.N.M. 
  — 
  

   Ililey 
  collection 
  ; 
  L. 
  Bruner) 
  ; 
  Albuquerque, 
  Bernalillo 
  County, 
  New 
  

   Mexico, 
  August, 
  Snow 
  (University 
  of 
  Kansas); 
  Las 
  Cruces, 
  Donna 
  Ana 
  

   County, 
  New 
  Mexico, 
  October, 
  ovipositing, 
  T. 
  D. 
  A. 
  Cockerel]; 
  Fort 
  

   Grant, 
  Graham 
  County, 
  Arizona 
  (U.S.N.M. 
  — 
  Riley 
  collection). 
  

  

  