﻿WEEVILS 
  OF 
  THE 
  TRIBE 
  OPHRYASTINI 
  — 
  DAVIS 
  

  

  521 
  

  

  sinuate 
  but 
  ovonly 
  roimded 
  to 
  apex. 
  From 
  above 
  elongate, 
  widened 
  

   near 
  apex, 
  which 
  is 
  acutely 
  rouncK-d; 
  median 
  orifice 
  very 
  elongate, 
  

   flap 
  long 
  ami 
  thin. 
  

  

  Tyjpe 
  locality. 
  — 
  Brewster 
  Count}', 
  Te.x., 
  on 
  the 
  Kio 
  Grande. 
  

  

  Figure 
  63. 
  — 
  Amydrogmus 
  variabilis 
  Pierce: 
  a. 
  Female 
  genital 
  tube, 
  dorsal 
  view; 
  b, 
  female 
  

   genital 
  tube, 
  lateral 
  view; 
  c, 
  median 
  lobe 
  of 
  male 
  genitalia, 
  dorsal 
  and 
  lateral 
  views; 
  

   d, 
  receptaculum 
  seminis. 
  

  

  Genus 
  OPHHYASTES 
  Schoenherr 
  

  

  Ophryasles 
  ScnoENHGRR, 
  1833, 
  508. 
  (Genotype, 
  Liparus 
  sulcirostris 
  Say, 
  orig- 
  

   inal 
  designation.) 
  

  

  [For 
  characters 
  of 
  Ophryasles 
  see 
  discussion 
  unch-r 
  Enpagoderes.] 
  

  

  KEY 
  TO 
  SPECIES 
  OF 
  OPHRYA.STES 
  

  

  1. 
  Transverse 
  impression 
  between 
  rostrum 
  and 
  head 
  evident; 
  ridges 
  above 
  

  

  cyca 
  usually 
  large 
  2 
  

  

  Transverse 
  impression 
  vag\ic 
  or 
  lacking, 
  and 
  where 
  present 
  duo 
  to 
  the 
  

   great 
  devc!i>i)nient 
  of 
  the 
  ridges 
  between 
  the 
  rostral 
  sulci; 
  ridges 
  

   above 
  eyes 
  ncit 
  large 
  8 
  

  

  2. 
  Punctures 
  of 
  elytral 
  striae 
  large, 
  round, 
  distinct 
  basally; 
  intervals 
  

  

  convex 
  3 
  

  

  Punctures 
  of 
  elytral 
  striae 
  fine, 
  equal 
  in 
  size; 
  stria 
  finely 
  impressed; 
  

   intervals 
  less 
  convex 
  6 
  

  

  3. 
  Median 
  sulcus 
  of 
  rostrum 
  finely 
  impressed 
  4 
  

  

  Median 
  sulcus 
  of 
  rostrum 
  broad 
  apically 
  5 
  

  

  4. 
  Marked 
  with 
  ocellate 
  Hi»ots 
  ocellatus 
  (Van 
  Dyke) 
  

  

  Without 
  ocellate 
  spots 
  shufeldti 
  Casey, 
  and 
  wickhaini 
  Shari> 
  

  

  5. 
  Larger 
  (11 
  to 
  16 
  mm.); 
  tuberosity 
  on 
  sifle 
  of 
  prothorax 
  proniiiHiit; 
  tenth 
  

  

  elvtral 
  stria 
  distinct 
  at 
  I 
  asal 
  one-third 
  . 
  latirostris 
  LeContc 
  

  

  