﻿WEEVILS 
  OF 
  THE 
  TRIBE 
  OPHRYASTINI 
  — 
  DAVIS 
  517 
  

  

  Measurements 
  in 
  millimeters. 
  — 
  Length 
  9.5 
  to 
  15.8. 
  

  

  Female 
  genitalia 
  (fig. 
  Gl, 
  a, 
  b, 
  c, 
  (/). 
  — 
  GeniUil 
  tubesliort, 
  lightly 
  chitin- 
  

   ized, 
  almost 
  as 
  wide 
  at 
  base 
  as 
  long; 
  sides 
  converging 
  apically 
  as 
  

   viewed 
  from 
  above 
  or 
  below, 
  parallel 
  as 
  viewed 
  from 
  the 
  side. 
  Apical 
  

   plates 
  large, 
  thm, 
  acutely 
  rounded 
  al 
  ape.x, 
  concave 
  dorsally; 
  co.xites 
  

   large, 
  semimembranous; 
  stA'li 
  extremely 
  minute, 
  borno 
  upoa 
  a 
  small 
  

   membranous 
  area 
  on 
  the 
  bases 
  of 
  the 
  apical 
  plates 
  as 
  in 
  E. 
  mar- 
  

   moratus 
  Fall. 
  

  

  Male 
  genitalia 
  (fig. 
  61, 
  e). 
  — 
  Median 
  lobe 
  long, 
  moderately 
  heavily 
  

   chitinized; 
  in 
  profile 
  not 
  much 
  curved, 
  bisinuate 
  near 
  the 
  apex; 
  as 
  

   viewed 
  from 
  above 
  very 
  shallowly 
  excavated 
  dorsally, 
  apex 
  rounded, 
  

   margins 
  near 
  apex 
  very 
  slightly 
  sinuate. 
  

  

  Type 
  locality. 
  — 
  "Vallecitas," 
  Calif. 
  

  

  Specimens 
  of 
  Eupagoderes 
  argentatus 
  (LeConte) 
  have 
  been 
  seen 
  

   from 
  the 
  following 
  localities: 
  California, 
  Yuma 
  (Wickham); 
  Palm 
  

   Canyon, 
  Kivereide 
  County 
  (W. 
  Benedict); 
  Holtville 
  (A. 
  C. 
  Davis); 
  

   Saltdale 
  (A. 
  C. 
  Davis); 
  Imperial 
  Comity 
  (J. 
  C. 
  Bridwell); 
  La 
  Jlierta 
  

   Valley, 
  San 
  Diego 
  County. 
  Arizona, 
  Yuma 
  (Herbert 
  Bro\vn); 
  

   Tucson; 
  Florence 
  (C. 
  R. 
  Biederman); 
  Palmerlee 
  (C. 
  R. 
  Biederman). 
  

   Xevad.\, 
  Glendale 
  (E. 
  W. 
  Davis). 
  Utah, 
  St. 
  George 
  (Wickham); 
  

   \'irgin 
  River. 
  

  

  V. 
  LUCANUS 
  group 
  

  

  This 
  group 
  is 
  represented 
  by 
  only 
  one 
  species: 
  

  

  EUPAGODEBES 
  LUCANUS 
  Horn 
  . 
  

  

  Figure 
  62 
  

  

  Eupagoderes 
  lucanxia 
  Horn, 
  1876, 
  p. 
  34. 
  

  

  Cinereous 
  or 
  brown, 
  with 
  irregular 
  mottlings 
  of 
  black; 
  pronotum 
  

   with 
  a 
  diffuse 
  median 
  and 
  two 
  conspicuous, 
  lateral 
  black 
  stripes 
  (one 
  

   each 
  side) 
  the 
  latter 
  continuing 
  along 
  the 
  sides 
  of 
  the 
  head. 
  Scales 
  

   imbricated 
  throughout. 
  Rostrum 
  long, 
  inorc^ 
  jiarallel 
  and 
  less 
  stout 
  

   than 
  in 
  most 
  species 
  of 
  the 
  genus, 
  only 
  moderately 
  arched 
  near 
  apex 
  

   dorsally 
  and 
  not 
  greatly 
  dilated; 
  trisulcate, 
  median 
  sulcus 
  narrow, 
  

   lateral 
  sulci 
  moderately 
  deep, 
  arcuate;. 
  Front 
  nuirkedly 
  flattened. 
  

   Transverse 
  impression 
  between 
  head 
  and 
  rostrum 
  vague, 
  owing 
  to 
  

   this 
  flattening 
  of 
  the 
  front. 
  Pronotum 
  about 
  oue-thiril 
  wider 
  than 
  

   long, 
  widest 
  slightly 
  l)chind 
  the 
  middle; 
  subglobular; 
  strongly 
  nar- 
  

   rowed 
  in 
  front, 
  base 
  one-fifth 
  wider 
  than 
  apex; 
  broadly 
  and 
  evenly 
  

   rounded 
  at 
  sides, 
  anterior 
  and 
  posterior 
  margins 
  straight; 
  disk 
  very 
  

   coarsely, 
  closely 
  putictate. 
  Elytra 
  from 
  otie-tliird 
  to 
  two-hftlis 
  longer 
  

   than 
  wide, 
  widest 
  before 
  the 
  middle; 
  at 
  base 
  wider 
  than 
  the 
  base 
  of 
  

   the 
  pronotum. 
  

  

  Most 
  sjx'cimcns 
  have 
  well-developed 
  liumeri. 
  Strial 
  punctures 
  

   coarse, 
  distinct; 
  elytral 
  intervals 
  convex, 
  the 
  third 
  more 
  convex 
  and 
  

  

  