﻿WEEVILS 
  OF 
  THE 
  TRIBE 
  OPHRYAiJTINI 
  — 
  DAVIS 
  

  

  497 
  

  

  tlie 
  latter 
  case 
  suhtuhtTculato 
  at 
  sides; 
  median 
  impression 
  ])resent. 
  

   Elytra 
  more 
  or 
  less 
  inflated; 
  two-sevenths 
  to 
  one-third 
  longer 
  than 
  

   wide, 
  widest 
  at 
  apical 
  three-fifths; 
  truncate 
  at 
  base; 
  striae 
  finely 
  im- 
  

   pressed, 
  punctures 
  fine, 
  intervals 
  3 
  and 
  5 
  usinilly 
  slightly 
  wider, 
  all 
  

   intervals 
  usually 
  slightly 
  convex. 
  Legs 
  only 
  moderately 
  stout, 
  fore 
  

   and 
  middle 
  tibiae 
  usually, 
  but 
  not 
  always, 
  minutely 
  denticulate 
  within, 
  

   posterior 
  tibiae 
  usually 
  obliquely 
  truncate. 
  

  

  Measurements 
  ill 
  mUlimeters. 
  — 
  Length 
  0.0 
  to 
  12.5, 
  averaging 
  about 
  8. 
  

  

  Female 
  genitalia 
  (fig. 
  51, 
  a, 
  b, 
  c, 
  d). 
  — 
  Genital 
  tube 
  tubular, 
  apical 
  

   plates 
  rather 
  thick, 
  varying 
  in 
  shape 
  as 
  shown 
  in 
  the 
  figures, 
  margins 
  

   smooth; 
  coxites 
  small, 
  laterally 
  compressed, 
  lightly 
  chitinized, 
  the 
  

   setae 
  in 
  small 
  bundles 
  rather 
  than 
  single; 
  styli 
  visible 
  from 
  beneath. 
  

   In 
  profile 
  the 
  "roach-backed" 
  appearance 
  of 
  the 
  dorsal 
  outline 
  apically 
  

   seems 
  peculiar 
  to 
  this 
  species. 
  The 
  eighth 
  sternite 
  is 
  usually 
  slightly 
  

   obtusely 
  emarginate 
  at 
  apex, 
  but 
  smoothly 
  rounded 
  in 
  some 
  speci- 
  

   mens; 
  sides 
  smoothly 
  rounded. 
  

  

  

  FiGiRE 
  51. 
  — 
  Eupagoderfs 
  geminatus 
  Horn: 
  a 
  and 
  c. 
  Female 
  genital 
  tube, 
  dorsal 
  view; 
  

   b, 
  female 
  genital 
  lube, 
  ventral 
  view; 
  d, 
  female 
  genital 
  tube, 
  lateral 
  view; 
  e, 
  median 
  lobe 
  

   of 
  male 
  genitalia, 
  dorsal 
  and 
  lateral 
  views;/, 
  accessory 
  parts 
  of 
  male 
  genitalia. 
  

  

  Alale 
  genitalia 
  (fig. 
  51, 
  e,f). 
  — 
  Median 
  lobe 
  heavily 
  chitinized, 
  black; 
  

   in 
  profile 
  very 
  sharply 
  curved, 
  apex 
  recurved 
  and 
  flattened; 
  moder- 
  

   ately 
  deeply 
  excavated 
  dorsally, 
  the 
  margins 
  near 
  the 
  apex 
  snmate. 
  

  

  The 
  curvature 
  of 
  the 
  median 
  lobe 
  of 
  tlu^ 
  male, 
  as 
  well 
  as 
  the 
  degree 
  

   of 
  sharpness 
  of 
  the 
  tip, 
  is 
  subject 
  to 
  some 
  variation, 
  but 
  the 
  female 
  

   genital 
  tube 
  seems 
  to 
  vary 
  little 
  except 
  to 
  a 
  minor 
  extent 
  in 
  the 
  degree 
  

   of 
  sharjjness 
  of 
  the 
  ajjical 
  j)latcs. 
  

  

  Type 
  locality.' 
  -Ovtvus 
  \'alley, 
  Calif. 
  1 
  have 
  the 
  following 
  records 
  

   of 
  locality: 
  California, 
  Kern 
  County 
  (Coquillett); 
  Los 
  Angeles 
  

   County 
  (Coquillett); 
  Lancaster 
  (Wickham); 
  San 
  Francisco 
  (?); 
  Owens 
  

   Lake 
  (Wickham), 
  Panamint 
  Valley, 
  Argus 
  Mountains, 
  llund)oldt 
  

   Lake 
  (Wickham), 
  Keeler 
  (Wickham), 
  Independence 
  (Wickham), 
  

   Mojavc 
  Desert, 
  Fairmont 
  (A. 
  C. 
  Davis), 
  Fort 
  Tejon 
  (A. 
  C. 
  Davis), 
  

   Amadee 
  (Wickham), 
  Claremont 
  (W. 
  Benedict), 
  San 
  Bernardino. 
  

  

  