﻿WEEVILS 
  OF 
  THE 
  TRIBE 
  OPHKYASTINI 
  — 
  DAVIS 
  

  

  537 
  

  

  of 
  tho 
  tarsi 
  of 
  the 
  foro 
  aiul 
  middle 
  legs 
  with 
  adhesive 
  pubesceiice, 
  at 
  

   least 
  ill 
  the 
  male. 
  

  

  ]\feasurements 
  in 
  millimeters. 
  — 
  Length 
  9.5 
  to 
  14.1 
  ; 
  width 
  4.4 
  to 
  6.G. 
  

  

  Female 
  gt7titalki 
  (fig. 
  72, 
  a, 
  h, 
  f).— 
  Eighth 
  steriiite 
  slightly 
  produced 
  

   at 
  outer 
  coniei"s, 
  broadly 
  rounded, 
  and 
  obtu.sely 
  emarginate 
  and 
  hairy 
  

   at 
  apex. 
  Genital 
  tube 
  slightly 
  flattened 
  dorsoventrally, 
  apical 
  plates 
  

   ventral, 
  their 
  dorsal 
  faces 
  concave 
  and 
  each 
  divided 
  into 
  three 
  largo 
  

   teeth. 
  

  

  Figure 
  72. 
  — 
  Ophryastes 
  viltatus 
  (Say): 
  a. 
  Female 
  genital 
  tube, 
  dorsal 
  viewj 
  b, 
  female 
  

   genital 
  tube, 
  ventral 
  view; 
  c, 
  female 
  genital 
  tube, 
  lateral 
  view 
  (dorsum 
  to 
  left); 
  d, 
  median 
  

   lobe 
  of 
  male 
  genitalia, 
  lateral 
  and 
  dorsal 
  views. 
  

  

  i\/a/e 
  genitalia 
  (fig. 
  72, 
  d). 
  — 
  Median 
  lobe 
  in 
  profile 
  fairly 
  sharply 
  

   curved, 
  especially 
  near 
  the 
  base, 
  and 
  rather 
  thick; 
  as 
  viewed 
  from 
  

   above 
  wide, 
  somewhat 
  dilated 
  at 
  about 
  apical 
  third, 
  rather 
  deeply 
  

   excavated, 
  and 
  with 
  a 
  minute 
  but 
  distinct 
  keel 
  from 
  the 
  median 
  

   orifice 
  to 
  the 
  apex. 
  An 
  indication 
  of 
  a 
  keel 
  veiitrally 
  also, 
  at 
  pouit 
  of 
  

   greatest 
  curve. 
  

  

  Type 
  loeality. 
  — 
  ' 
  ' 
  A 
  rkansa 
  . 
  ' 
  ' 
  

  

  This 
  seems 
  to 
  be 
  the 
  most 
  widely 
  distributed 
  species 
  of 
  the 
  genus. 
  

   I 
  have 
  the 
  following 
  records 
  of 
  capture: 
  Arizona, 
  Wmslow. 
  New 
  

   Mexico. 
  Maxwell. 
  Koehler, 
  Estancia, 
  Torrance 
  County. 
  Colorado, 
  

   Colorado 
  Springs, 
  Holly, 
  Pueblo, 
  lierkeley, 
  Greeley. 
  Kansas, 
  

   "Western 
  Kansas." 
  Oklahoma, 
  Lawton. 
  Texas, 
  Marathon, 
  Abi- 
  

   lene, 
  Brownsville. 
  The 
  species 
  is 
  also 
  found 
  in 
  Nevachi. 
  

  

  Cenus 
  TOSASTES 
  Sharp 
  

  

  roaaa/ts 
  SiiAiir, 
  ISOl, 
  p. 
  91. 
  ff'icnolyiic, 
  7o.s(j,s7^.s 
  (7/o^j;;rfini,s 
  Sliarp. 
  Dc^JKii.'itcd 
  

   by 
  Pierce, 
  1913, 
  p. 
  375.) 
  

  

  The 
  characterization 
  of 
  the 
  genus 
  given 
  by 
  Shinj) 
  is 
  ns 
  follows: 
  

  

  Tarsi 
  articulo 
  lerlio 
  vix 
  lohato, 
  snbtiiB 
  al)Hque 
  piibcsccnliu. 
  'liliiitc 
  i)ost(rii)re8 
  

   a<i 
  apir«in 
  .sinipliciU^r 
  lainiriata*-, 
  niillo 
  niodo 
  tniiicntac. 
  

  

  Thi.s 
  Kf;niis 
  haM 
  an 
  ai»p<araiir« 
  very 
  flifT(>rfrit 
  tu 
  ffphrynslrx, 
  flioii^h 
  it 
  api)rar.s 
  

   to 
  bo 
  clowly 
  allied 
  thorpto; 
  tut, 
  however, 
  the 
  apicrM 
  of 
  the 
  hind 
  tibiae 
  arc 
  without 
  

   any 
  trace 
  of 
  tnineatiire, 
  or 
  of 
  a 
  wrond 
  row 
  of 
  .sjiiniilcs, 
  it 
  in 
  perliups 
  advisai)le 
  to 
  

   treat 
  the 
  two 
  form." 
  a.s 
  distinct 
  KP'"'ra. 
  I 
  cannot 
  detect 
  any 
  other 
  difTerence 
  of 
  

   true 
  generic 
  importance, 
  thouf^h 
  there 
  are 
  Hcveral 
  minor 
  jx-culiaritiefl. 
  Tho 
  

   Bccond 
  ventral 
  i« 
  quite 
  short, 
  the 
  first 
  suttire 
  HtraiRht, 
  the 
  third 
  anil 
  fourth 
  scg- 
  

  

  