﻿92 
  ERNEST 
  E. 
  AUSTEN 
  — 
  A 
  DIPTEROUS 
  PARASITE 
  

  

  its 
  being 
  described 
  and 
  figured. 
  The 
  insect 
  proves 
  to 
  belong 
  to 
  a 
  new 
  species, 
  which, 
  

   may 
  be 
  characterised 
  as 
  follows 
  : 
  — 
  

  

  Family 
  BOMBYLIIDAE. 
  

   Subfamily 
  EXOPROSOPINAE. 
  

   Genus 
  Villa, 
  Lioy. 
  

   Villa 
  lloydi 
  sp. 
  nov. 
  (fig. 
  1.). 
  

  

  cJ. 
  — 
  Length 
  (one 
  specimen) 
  5*75 
  mm. 
  ; 
  width 
  of 
  head 
  2 
  2 
  mm. 
  ; 
  width 
  of 
  front 
  at 
  

   vertex 
  0*25 
  mm. 
  ; 
  length 
  of 
  wing 
  5 
  '25 
  mm. 
  

  

  Black 
  ; 
  dorsum 
  of 
  abdomen 
  marked, 
  as 
  shown 
  in 
  fig. 
  1, 
  with 
  alternating 
  transverse 
  

   bands 
  of 
  pale 
  (buff-coloured) 
  and 
  dark 
  (black), 
  narrow, 
  elongate 
  scales, 
  third 
  segment 
  

   also 
  with 
  a 
  narrow 
  band 
  of 
  white 
  scales, 
  tapering 
  towards 
  middle 
  line 
  where 
  it 
  appears 
  

   to 
  be 
  more 
  or 
  less 
  widely 
  interrupted 
  ; 
  wings 
  entirely 
  hyaline, 
  discal 
  and 
  third 
  posterior 
  

   cells 
  shaped 
  as 
  shown 
  in 
  fig. 
  1 
  ; 
  legs 
  black. 
  

  

  Fig. 
  1 
  — 
  Villa 
  lloydi, 
  Austen, 
  ^, 
  X 
  9. 
  

  

  Head 
  black 
  ; 
  front 
  clothed 
  with 
  buff- 
  coloured 
  scales, 
  mixed 
  on 
  lower 
  two- 
  thirds 
  

   with 
  fine, 
  erect, 
  blackish 
  hair 
  ; 
  face 
  convex 
  and 
  somewhat 
  prominent, 
  but 
  not 
  

   conical, 
  clothed 
  with 
  buff- 
  coloured 
  scales 
  and 
  short 
  black 
  hair 
  ; 
  occiput 
  clothed 
  

   above 
  and 
  on 
  upper 
  portion 
  of 
  sides 
  with 
  yellowish 
  white 
  or 
  whitish 
  scales, 
  clothed 
  

   below 
  with 
  blackish 
  hair 
  ; 
  antennae 
  black, 
  first 
  and 
  second 
  joints 
  clothed 
  with 
  stiff 
  

   black 
  hair, 
  longer 
  on 
  first 
  than 
  on 
  second 
  joint, 
  third 
  joint 
  bulb-shaped, 
  tapering 
  

   quickly 
  just 
  beyond 
  middle. 
  Thorax 
  : 
  dorsum, 
  except 
  front 
  margin 
  and 
  lateral 
  

   borders, 
  clothed 
  with 
  appressed 
  hairs 
  and 
  narrow 
  scales, 
  which 
  are 
  raw-sienna- 
  

   coloured 
  in 
  front 
  and 
  become 
  pale 
  (cream-buff) 
  on 
  hinder 
  part 
  of 
  main 
  portion 
  and 
  

   on 
  scutellum 
  ; 
  fringe 
  of 
  erect 
  hair 
  on 
  front 
  margin 
  of 
  dorsum 
  yellowish, 
  lateral 
  

   borders 
  of 
  dorsum, 
  from 
  humeral 
  to 
  postalar 
  calli, 
  clothed 
  with 
  appressed 
  bright 
  

   yellowish- 
  white 
  hair 
  ; 
  postalar 
  calli 
  each 
  with 
  a 
  row 
  of 
  (apparently 
  about 
  four) 
  

   long, 
  cream-buff 
  bristles 
  ; 
  hind 
  margin 
  of 
  scutellum 
  bearing 
  a 
  series 
  of 
  black 
  bristles, 
  

   set 
  at 
  wide 
  intervals 
  ; 
  pectus 
  and 
  pleurae 
  clothed 
  with 
  black 
  or 
  blackish 
  hair, 
  meso- 
  

   pleurae 
  with 
  a 
  tuft 
  of 
  yellowish 
  hair 
  on 
  upper 
  border. 
  Abdomen 
  : 
  lateral 
  extremities 
  

   of 
  tergites 
  of 
  first 
  and 
  second 
  segments 
  thickly 
  clothed 
  with 
  erect 
  whitish 
  hair 
  ; 
  

  

  