﻿310 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  vol.xx. 
  

  

  front 
  marnin 
  subtruiicate, 
  hind 
  margin 
  obtusangnlate; 
  prozona 
  longi- 
  

   tudinal 
  (niiile) 
  or 
  qnadrate 
  (female), 
  <mly 
  a 
  little 
  longer 
  than 
  the 
  densely 
  

   punctate 
  metazona. 
  l*rosternal 
  spine 
  rather 
  long, 
  erect, 
  subpyramidal, 
  

   not 
  very 
  blunt, 
  its 
  anterior 
  face 
  vertical 
  ; 
  interspace 
  between 
  mesosler- 
  

   nal 
  lobes 
  fully 
  twice 
  as 
  long 
  as 
  broad 
  (male) 
  or 
  a 
  little 
  longer 
  than 
  

   broad 
  (female). 
  Tegmina 
  surpassing 
  a 
  little 
  the 
  hind 
  femora, 
  rather 
  

   broad, 
  tapering 
  considerably 
  in 
  the 
  apical 
  half, 
  brownish 
  fuscous, 
  with 
  

   a 
  row 
  of 
  dusky 
  quadrate 
  spots 
  down 
  the 
  i)roximal 
  half 
  of 
  the 
  discoidal 
  

   area, 
  but 
  sometimes 
  wholly 
  immaculate. 
  Wings 
  hyaline, 
  glistening, 
  

   the 
  veins 
  in 
  the 
  apical 
  and 
  anterior 
  regions 
  fuscous. 
  Legs 
  yellow, 
  

   tinged 
  with 
  dull 
  orange, 
  the 
  hind 
  femora 
  faintly 
  bifasciate 
  above 
  

   internally, 
  and 
  with 
  the 
  upper 
  exterior 
  carina 
  black; 
  hind 
  tibiae 
  

   normally 
  glaucous, 
  paler 
  and 
  dull 
  at 
  the 
  a[)ex, 
  sometimes 
  uniform 
  

   red, 
  the 
  spines 
  pallid, 
  black 
  apically, 
  ten 
  to 
  eleven, 
  rarely 
  twelve, 
  

   in 
  number 
  in 
  the 
  outer 
  series. 
  Extremity 
  of 
  male 
  abdomen 
  distinctly 
  

   clavate, 
  but 
  little 
  recurved; 
  supraanal 
  plate 
  triangular, 
  with 
  thickened 
  

   feebly 
  upraised 
  edges 
  and 
  a 
  coarse 
  percurrent 
  median 
  sulcus; 
  furcula 
  

   consisting 
  of 
  a 
  pair 
  of 
  short, 
  divergent, 
  flattened, 
  tapering, 
  often 
  un- 
  

   equally 
  tapering 
  fingers, 
  extending 
  over 
  the 
  supraanal 
  plate 
  by 
  hardly 
  

   more 
  than 
  the 
  length 
  of 
  the 
  last 
  dorsal 
  segment; 
  cerci 
  rather 
  small, 
  

   strongly 
  compressed, 
  bent 
  inward, 
  nearly 
  equal 
  throughout 
  but 
  smallest 
  

   mesially, 
  truncate 
  at 
  tip; 
  subgenital 
  plate 
  moderately 
  broad, 
  subequal, 
  

   longer 
  than 
  broad, 
  with 
  nearly 
  even 
  lateral 
  margins, 
  entire 
  and 
  sub- 
  

   tuberculate 
  at 
  tip, 
  broadly 
  rounded 
  as 
  viewed 
  from 
  above. 
  

  

  Length 
  of 
  body, 
  male 
  28.5 
  mm., 
  female 
  26 
  mm.; 
  antennae, 
  male 
  12.5 
  

   mm., 
  female 
  10.5 
  mm.; 
  tegmina, 
  male 
  24.5 
  mm., 
  female 
  23 
  mm,; 
  hind 
  

   femora, 
  male 
  IG 
  mm., 
  female 
  15 
  mm. 
  

  

  Seventy 
  males, 
  106 
  females. 
  British 
  Columbia, 
  Crotch 
  (Museum 
  Com- 
  

   parative 
  Zoology; 
  S. 
  II. 
  Scudder); 
  La 
  Chappies, 
  Yakima 
  River, 
  Wash- 
  

   ington, 
  July 
  16, 
  S. 
  Henshaw 
  (Museum 
  Comparative 
  Zoology); 
  Little 
  

   Spokane, 
  Washington, 
  July 
  24, 
  S. 
  Henshaw 
  (same); 
  Camp 
  Umatilla, 
  

   Washington, 
  June 
  27, 
  Henshaw 
  (same); 
  Ellensburg, 
  Kittitas 
  County, 
  

   Washington, 
  July 
  14-15, 
  Henshaw 
  (same) 
  ; 
  Wallula, 
  Walla 
  walla 
  Comity, 
  

   Washington, 
  Packard 
  (U.S.N.M.— 
  Riley 
  collection; 
  S. 
  H. 
  Scudder); 
  

   Umatilla, 
  Oregon, 
  June 
  24, 
  Henshaw 
  (Museum 
  Comparative 
  Zoology; 
  

   L. 
  Bruner); 
  Siskiyou 
  County, 
  California 
  (U.S.N.M. 
  — 
  Riley 
  collection); 
  

   Boise 
  City, 
  Ada 
  County, 
  Idaho 
  (same); 
  Salmon 
  City, 
  Lemhi 
  County, 
  

   Idaho 
  (same); 
  Henry 
  Lake, 
  Idaho, 
  August 
  (L. 
  Bruner); 
  Soda 
  Springs, 
  

   Bannock 
  County, 
  Idaho 
  (same); 
  Montana 
  (U.S.IST.M. 
  — 
  Riley 
  collec- 
  

   tion); 
  Yellowstone, 
  Montana 
  (same); 
  Fort 
  Benton, 
  Choteau 
  County, 
  

   Montana, 
  July 
  (same); 
  Glendive, 
  Dawson 
  County, 
  Montana, 
  Bruner 
  

   (same); 
  Fort 
  McKinney, 
  Johnson 
  County, 
  Wyoming, 
  July 
  (same); 
  

   Crawford 
  County, 
  Iowa, 
  July 
  13-24, 
  J. 
  A. 
  Allen; 
  Denison, 
  Crawford 
  

   County, 
  Iowa, 
  July 
  20, 
  Allen; 
  Dallas 
  County, 
  Iowa, 
  August, 
  Allen; 
  

   Jeflerson, 
  Greene 
  County, 
  Iowa, 
  July 
  20-24, 
  in 
  coitu, 
  Allen 
  ; 
  Nebraska, 
  

   Dodge 
  (S. 
  Henshaw; 
  S. 
  II. 
  Scudder); 
  Pine 
  Ridge, 
  IS^ebraska, 
  July 
  (L. 
  

   Bruner)- 
  Valentine, 
  Cherry 
  County, 
  IS^ebraska, 
  Bruner 
  (U.S.N.M. 
  — 
  

  

  