﻿152 
  

  

  MAJOR 
  E. 
  E. 
  AUSTEN. 
  

  

  black, 
  transversely 
  elongate 
  and 
  more 
  or 
  less 
  elliptical 
  in 
  outline, 
  its 
  transverse 
  

   diameter 
  from 
  two 
  and 
  a 
  half 
  to 
  three 
  times 
  the 
  length 
  of 
  the 
  other 
  ; 
  face 
  in 
  2 
  with 
  

   a 
  pair 
  of 
  elongate 
  (often 
  roughly 
  pyriform), 
  shining 
  black 
  facial 
  tubercles 
  ; 
  jowls 
  in 
  

   same 
  sex 
  uniformly 
  pollinose 
  ; 
  eyes 
  in 
  $ 
  conspicuously 
  transversely 
  elongate, 
  nearly 
  

   twice 
  as 
  wide 
  as 
  deep, 
  with 
  area 
  occupied 
  by 
  enlarged 
  facets 
  presenting 
  a 
  sharp 
  

   colour-contrast 
  to 
  remainder 
  (in 
  dried 
  specimens 
  cinnamon-drab, 
  drab-grey 
  or 
  smoke- 
  

   grey, 
  as 
  opposed 
  to 
  purplish-black) 
  ; 
  eye-markings 
  in 
  2 
  resembling 
  those 
  exhibited 
  

   by 
  Chrysops 
  punctifera, 
  Lw., 
  2,* 
  but 
  with 
  the 
  two 
  lower 
  spots 
  on 
  the 
  inside 
  in 
  contact 
  

  

  Fig. 
  1. 
  Head 
  of 
  Chrysops 
  buxtoni, 
  Austen, 
  in 
  profile: 
  a, 
  $ 
  ; 
  b, 
  2; 
  X 
  10. 
  

  

  with 
  the 
  inner 
  margin 
  of 
  the 
  eye, 
  and 
  the 
  uppermost 
  spot 
  not 
  connected 
  (at 
  least 
  in 
  

   many 
  cases) 
  with 
  the 
  hind 
  border 
  ; 
  palpi 
  in 
  $ 
  clothed 
  with 
  hair 
  similar 
  in 
  character 
  

   and 
  coloration 
  to 
  that 
  on 
  jowls, 
  proximal 
  segment 
  elongate, 
  deep 
  neutral 
  grey, 
  distal 
  

   segment 
  one-third 
  as 
  long 
  again 
  as 
  proximal 
  segment 
  or 
  longer, 
  narrowing 
  slightly 
  

   distally 
  but 
  not 
  tapering 
  to 
  a 
  conspicuous 
  point, 
  ochraceous-buff, 
  with 
  dark 
  brown 
  

   elongate 
  spot 
  on 
  outer 
  surface 
  just 
  before 
  the 
  tip 
  ; 
  proximal 
  segment 
  of 
  palpi 
  in 
  2 
  

   neutral 
  grey, 
  clothed 
  with 
  hair 
  hke 
  that 
  on 
  jowls, 
  distal 
  segment 
  narrow, 
  straight, 
  

   conspicuously 
  elongate, 
  about 
  two 
  and 
  a 
  half 
  times 
  as 
  long 
  as 
  proximal 
  segment, 
  

   partly 
  dark 
  brown 
  or 
  blackish-brown, 
  partly 
  pinkish-buff 
  or 
  cinnamon-buff, 
  sparsely 
  

  

  * 
  Cf. 
  Austen, 
  Bull. 
  Ent. 
  Res., 
  x, 
  pt. 
  3, 
  p. 
  279, 
  fig. 
  1 
  (April 
  1920). 
  

  

  