﻿WEEVILS 
  OF 
  THE 
  TRIBE 
  OPHRYASTINI 
  — 
  DAVIS 
  547 
  

  

  I 
  have 
  seen 
  specimens 
  from 
  the 
  followinjr 
  localities, 
  nil 
  in 
  Washing- 
  

   ton, 
  and 
  all 
  collected 
  during 
  April 
  and 
  May; 
  Mesa 
  (M. 
  C. 
  Lane); 
  

   Lind 
  (M. 
  C. 
  Lane); 
  Ritzville 
  (NL 
  C. 
  Lane); 
  EUensburg 
  (W. 
  W. 
  

   Baker) 
  ; 
  Okanogan 
  ; 
  Riparia 
  ; 
  Hanford 
  ; 
  Wenatchee; 
  Oroville; 
  Tonasket; 
  

   Mabton. 
  

  

  Remarks. 
  — 
  This 
  species 
  may 
  at 
  present 
  be 
  distinguished 
  by 
  the 
  

   locality 
  alone. 
  The 
  structure 
  of 
  the 
  eighth 
  sternite 
  of 
  the 
  female 
  

   is 
  unique 
  in 
  the 
  genus. 
  The 
  more 
  convex 
  elytral 
  intervals 
  and 
  the 
  

   narrower 
  pronotum 
  serve 
  to 
  distinguish 
  this 
  species 
  from 
  T. 
  ovalis 
  

   Pierce. 
  

  

  [Davis's 
  work 
  on 
  Rhigopsis 
  evidently 
  had 
  not 
  been 
  completed, 
  and 
  

   the 
  status 
  of 
  the 
  three 
  named 
  fonns 
  remains 
  to 
  be 
  worked 
  out. 
  

  

  Genus 
  RHIGOPSIS 
  LeConte 
  

  

  Rhigopsis 
  LeConte, 
  1874, 
  p. 
  459. 
  (Genotype, 
  Rhigopsia 
  effrada 
  LeConte 
  (mono- 
  

   basic).) 
  

  

  HoiTi's 
  characterizatiou 
  of 
  the 
  genus 
  (1876, 
  p. 
  36) 
  follows: 
  

  

  Roatrum 
  quadrangular, 
  slightly 
  longer 
  than 
  the 
  head, 
  dilated 
  at 
  tip 
  and 
  

   obliquely 
  truncate 
  above, 
  upper 
  surface 
  deeply 
  trisulcate, 
  tip 
  feebly 
  eniarginate. 
  

   Mentum 
  slightly 
  retracted. 
  Scrobcs 
  deep, 
  well-defined, 
  slightly 
  arcuate 
  in 
  

   front, 
  directed 
  tnwarfl 
  the 
  lower 
  Ijorder 
  of 
  the 
  eye. 
  Eyes 
  narrow, 
  acute 
  beneath. 
  

   .\ntennae 
  morierate. 
  scaly, 
  scape 
  gradually 
  stouter 
  attaining 
  the 
  margin 
  of 
  the 
  

   eye; 
  funicle 
  7-jointed, 
  first 
  two 
  joint.'! 
  longer, 
  stouter 
  and 
  nearly 
  equal, 
  3-7 
  short, 
  

   gradually 
  broader, 
  club 
  oval, 
  indistinctly 
  articulated. 
  Ocular 
  lobes 
  prominent. 
  

   Scutellum 
  indistinct. 
  Elytra 
  oval, 
  feebly 
  conjointly 
  emarginate, 
  humeri 
  prom- 
  

   inent, 
  tuberculate. 
  Metastemal 
  side 
  pieces 
  connate 
  with 
  the 
  body 
  without 
  

   suture. 
  Hind 
  coxae 
  very 
  widely 
  distant, 
  intercoxal 
  process 
  broad, 
  truncate. 
  

   Second 
  segment 
  of 
  abdomen 
  longer 
  than 
  the 
  two 
  following 
  united, 
  .separated 
  

   from 
  the 
  first 
  by 
  a 
  strongly 
  arcuate 
  suture. 
  Tibiae 
  not 
  mucronate 
  at 
  tip, 
  corbels 
  

   of 
  hind 
  tibiae 
  feebly 
  cavernous. 
  Tarsi 
  spinous 
  beneath 
  third 
  joint 
  feebly 
  emar- 
  

   ginate, 
  not 
  wider 
  than 
  the 
  preceding. 
  Claws 
  moderate, 
  free. 
  Body 
  densely 
  

   covered 
  with 
  scales, 
  almost 
  entirely 
  obscured 
  by 
  exudation 
  coating. 
  

  

  So 
  far 
  as 
  found, 
  Davis's 
  notes 
  contained 
  no 
  reference 
  to 
  Rhigopsis 
  

   scvtellfjta 
  Casey 
  (1888, 
  p. 
  242), 
  type 
  locality, 
  Los 
  Angeles 
  Coimty, 
  

   Calif., 
  apparently 
  because 
  he 
  held 
  the 
  generally 
  accepted 
  opinion 
  

   that 
  scutcUntn 
  is 
  a 
  synonym 
  of 
  tffrdcta. 
  This 
  synonymy 
  was 
  first 
  

   projjosed 
  by 
  Iloni, 
  1894, 
  p. 
  442, 
  in 
  the 
  following 
  words: 
  

  

  .\i\ 
  exajnination 
  of 
  my 
  scries 
  of 
  fi.ihigopsis) 
  ejfractn 
  shows 
  that 
  R. 
  scutellata 
  

   ( 
  'a.scy 
  cannot 
  be 
  rcfaiised 
  as 
  (li.«tinct, 
  the 
  six-rios 
  having 
  doul>tless 
  been 
  descril>ed 
  

   from 
  fomale.y. 
  The 
  scutfllar 
  character 
  lias 
  no 
  value, 
  a.n 
  several 
  of 
  rny 
  sixjcimens 
  

   have 
  the 
  scutellum 
  entirely 
  concealed 
  by 
  the 
  elevations 
  near 
  it.) 
  

  

  Ririf;or'HIS 
  KKKRACTA 
  I-oContc 
  

  

  Vi(.\ 
  UK 
  77 
  

   RhigopaiH 
  rffrnrtd 
  j.kCo.stk,, 
  1K71, 
  \t. 
  •l.'iO. 
  

  

  •Moderately 
  robust, 
  slightly 
  flattened. 
  Color 
  vaiTing 
  from 
  silver- 
  

   gray 
  with 
  suture 
  and 
  a 
  narrow 
  median 
  stripe 
  upon 
  the 
  pronotum 
  

  

  726693 
  — 
  47 
  5 
  

  

  