﻿118 
  

  

  DAVID 
  MILLER. 
  

  

  simple, 
  extremely 
  long, 
  being 
  about 
  one-third 
  the 
  length 
  of 
  the 
  tarsus. 
  Middle 
  

   and 
  posterior 
  legs 
  slender, 
  the 
  former 
  the 
  longer 
  ; 
  both 
  deep 
  purplish-blue 
  with 
  a 
  

   lighter 
  brown 
  reflection 
  and 
  clothed 
  with 
  white 
  scales 
  and 
  distinct 
  scattered 
  bristles 
  ; 
  

  

  Fig. 
  5. 
  Anterior 
  leg 
  of 
  q. 
  

  

  a 
  row 
  of 
  widely 
  separated 
  bristles 
  distally 
  on 
  anterior 
  side 
  of 
  the 
  femora 
  ; 
  the 
  tibiae 
  

   — 
  the 
  posterior 
  pair 
  being 
  slightly 
  swollen 
  apically 
  — 
  with 
  a 
  row 
  of 
  bristles 
  on 
  the 
  

   posterior 
  side 
  and 
  another 
  more 
  dorsally 
  ; 
  tarsi 
  with 
  a 
  dorsal 
  row 
  of 
  bristles 
  ; 
  claws 
  

   simple 
  and 
  normal. 
  All 
  the 
  femora 
  and 
  tibiae 
  white 
  at 
  the 
  apex. 
  

  

  Fig. 
  6. 
  Male 
  genitalia 
  of 
  Opifex 
  fuscus. 
  

  

  Abdomen 
  shiny 
  brownish 
  black, 
  clothed 
  with 
  short 
  black 
  bristles 
  and 
  white 
  flat 
  

   scales, 
  the 
  latter 
  arranged 
  as 
  triangular 
  spots 
  at 
  the 
  anterior 
  angles 
  of 
  each 
  segment. 
  

   Genitalia 
  prominent, 
  their 
  structure 
  shown 
  in 
  fig. 
  6. 
  

  

  Fig. 
  7. 
  Palpus 
  of 
  <£• 
  

  

  $. 
  Palpi 
  (fig. 
  7) 
  about 
  one-fourth 
  the 
  length 
  of 
  the 
  proboscis, 
  4-jointed, 
  with 
  a 
  

   stricture 
  near 
  apex 
  of 
  fourth 
  joint; 
  swollen 
  apically, 
  black, 
  clothed 
  with 
  white 
  

   scales 
  and 
  black 
  bristles. 
  The 
  maxillae 
  (figs. 
  8, 
  9) 
  strongly 
  serrated 
  at 
  the 
  tip, 
  the 
  

   " 
  feathery 
  corrugations 
  " 
  referred 
  to 
  by 
  Dimock 
  being 
  readily 
  seen 
  on 
  the 
  trans- 
  

   parent 
  " 
  shaft 
  of 
  the 
  maxilla." 
  In 
  0. 
  fuscus, 
  however, 
  the 
  " 
  chitin-rod 
  " 
  apparently 
  

  

  Fig, 
  8. 
  Maxilla 
  of 
  . 
  

  

  