﻿WEEVILS 
  OF 
  THE 
  TKIBE 
  OPHUYASTINI 
  — 
  DAVIS 
  527 
  

  

  Type 
  locality. 
  — 
  Arkansas 
  River, 
  near 
  the 
  mountains. 
  

  

  This 
  species 
  has 
  been 
  recorded 
  from 
  the 
  follouing 
  localities: 
  Nkw 
  

   Mexico, 
  Albuquerque 
  (H. 
  Soltau); 
  Gallup; 
  10 
  niiloa 
  south 
  of 
  New 
  

   Mexico 
  State 
  Colle<!;e. 
  Ahizona, 
  Chiricahua 
  Mountains 
  (Hubbard 
  

   and 
  Schwarz); 
  \Viiislo\v 
  (M. 
  Lhiell); 
  Peach 
  Springs 
  (Wickham); 
  

   Tucson. 
  Texas, 
  Alphie 
  (Wickham); 
  between 
  Pecos 
  River 
  and 
  

   Guadaloupe 
  Mountains. 
  Utah, 
  Cedar 
  (E. 
  D. 
  Ball); 
  Callao 
  (Tom 
  

   Spaulding) 
  ; 
  Marvsvale; 
  Sevier 
  l^ake 
  (Wickham). 
  Colouado, 
  Canyon 
  

   City 
  (Wickham). 
  Idaho, 
  Blackfoot 
  (C 
  Wakcland) 
  (E. 
  S. 
  G. 
  Titus). 
  

   Oregon. 
  

  

  The 
  genitalia 
  of 
  this 
  species, 
  both 
  male 
  and 
  female, 
  mdicate 
  a 
  rather 
  

   close 
  relationship 
  to 
  0. 
  wickhami 
  Sharp, 
  but 
  are 
  easily 
  distinguished 
  

   from 
  those 
  of 
  that 
  specias. 
  

  

  OPHRYASTES 
  SYMMETBICUS 
  Fall 
  

  

  Figure 
  G6 
  

   Ophryastes 
  symmetricus 
  Fall, 
  1907, 
  p. 
  260. 
  

  

  Robust, 
  convex. 
  Head 
  with 
  a 
  narrow 
  dark 
  brown 
  stripe 
  and 
  two 
  

   rather 
  wide 
  lateral 
  dark 
  brown 
  stripes 
  passing 
  beyond 
  the 
  eye 
  to 
  the 
  

   insertion 
  of 
  the 
  antennae, 
  continuous 
  with 
  the 
  pronotal 
  stripe; 
  re- 
  

   mainder 
  of 
  head 
  mixed 
  gray, 
  white, 
  and 
  brown; 
  pronotum 
  gray, 
  

   yellowish 
  on 
  flanks, 
  a 
  lateral 
  vitta 
  each 
  side 
  dark 
  brown; 
  elytral 
  inter- 
  

   vals 
  1, 
  3, 
  5, 
  and 
  7 
  brownish, 
  alternate 
  ones 
  gray, 
  brownish 
  basally, 
  

   with 
  dark 
  brown 
  mottling 
  along 
  the 
  striae. 
  Rostrum 
  stout, 
  markedly 
  

   arched 
  above, 
  somewhat 
  constricted 
  at 
  base 
  beneath; 
  median 
  sulcus 
  

   subobsolete 
  apically, 
  and 
  replac(!d 
  by 
  a 
  median 
  carina 
  basally, 
  which 
  

   terminates 
  at 
  the 
  junction 
  of 
  head 
  and 
  rostrum; 
  lateral 
  sulci 
  wide, 
  

   short, 
  arcuate, 
  convergent 
  basally. 
  Head 
  and 
  rostrum 
  separated 
  by 
  

   a 
  rather 
  vague 
  transverse 
  impression. 
  Head 
  convex, 
  very 
  slightlv 
  

   flattened 
  between 
  the 
  eyes, 
  with 
  a 
  median 
  groove 
  extending 
  to 
  the 
  

   vertex; 
  eyes 
  prominent, 
  convex; 
  head 
  and 
  rostrum 
  moderately 
  finely 
  

   and 
  rather 
  closely 
  punctate 
  and 
  rather 
  thickly 
  set 
  with 
  erect 
  lawny 
  or 
  

   brown 
  setae. 
  Pronotum 
  less 
  than 
  twice 
  as 
  wide 
  as 
  long, 
  widest 
  at 
  or 
  

   slightly 
  before 
  the 
  middle, 
  sides 
  nearly 
  evenly 
  nrcuate, 
  not 
  tubercu- 
  

   late; 
  slightly 
  c(jnstricted 
  aj)ically, 
  anterior 
  margin 
  l)roa(IIy 
  arcuate, 
  

   emarginate 
  at 
  center; 
  basal 
  margin 
  slightly 
  trisinuate; 
  median 
  im- 
  

   pression 
  wanting; 
  disk 
  ev<*idy, 
  coarsely, 
  and 
  closely 
  punctate 
  and 
  with 
  

   erect 
  tawny 
  or 
  brown 
  setae. 
  Elytra 
  cordate, 
  base 
  truncate; 
  striae 
  

   fine, 
  not 
  impressed, 
  punctures 
  hardly 
  visible; 
  intervals 
  1 
  and 
  '.i 
  wid(>r 
  

   than 
  2 
  and 
  4 
  and 
  elevated, 
  intervals 
  5, 
  0, 
  and 
  7 
  only 
  slightly 
  wider 
  

   than 
  1 
  and 
  3 
  and 
  much 
  more 
  elevated, 
  esfiecially 
  at 
  the 
  base 
  of 
  the 
  

   elytra, 
  interval 
  8 
  flat, 
  wide; 
  setae 
  conspicuous, 
  semierect, 
  brown. 
  

   Legs 
  moderatelj' 
  stout, 
  tibiae 
  not 
  denticulate, 
  but 
  spinose 
  apically, 
  

   within; 
  apices 
  of 
  hind 
  tibiae 
  rounded; 
  tarsi 
  elongate, 
  two-thirds 
  as 
  

  

  