﻿NEW 
  AND 
  LITTLE-KNOWN 
  MESOPOTAMIAN 
  BLOOD-SUCKING 
  DIPTERA. 
  285 
  

  

  first 
  segment 
  clothed 
  otherwise 
  with 
  cream-coloured 
  hairs 
  ; 
  upper 
  distal 
  angle 
  of 
  

   second 
  segment 
  of 
  antennae 
  slightly 
  or 
  only 
  moderately 
  produced, 
  distal 
  margin 
  of 
  

   second 
  segment 
  clothed 
  with 
  minute 
  black 
  hairs 
  ; 
  expanded 
  portion 
  of 
  third 
  segment 
  

   of 
  antennae 
  tawny 
  or 
  orange-cinnamon-coloured 
  (sometimes 
  brownish 
  towards 
  distal 
  

   extremity), 
  of 
  moderate 
  depth 
  proximally, 
  and 
  with 
  a 
  blunt 
  or 
  rounded 
  angle 
  on 
  upper 
  

   margin 
  shortly 
  before 
  middle, 
  annulate 
  portion 
  of 
  third 
  segment 
  blackish 
  brown, 
  

   elongate, 
  approximately 
  as 
  long 
  as 
  expanded 
  portion. 
  Thorax 
  : 
  dorsum, 
  including 
  

   scutellum, 
  clothed 
  with 
  minute, 
  appressed, 
  glistening 
  Naples-yellow 
  hairs, 
  postalar 
  

   calli 
  clothed 
  beneath 
  with 
  longer 
  yellowish-white 
  hairs 
  ; 
  ante-alar 
  tubercles 
  cinnamon- 
  

   buff, 
  clothed 
  above 
  with 
  silky, 
  glistening 
  Naples-yellow 
  hair, 
  mixed 
  with 
  some 
  erect 
  

   black 
  hairs, 
  and 
  below 
  with 
  longer, 
  outstanding 
  black 
  hairs 
  ; 
  pleurae 
  and 
  pectus 
  

   smoke-grey 
  pollinose, 
  clothed 
  with 
  fine, 
  silky, 
  whitish 
  or 
  yellowish-white 
  hair, 
  mixed 
  

   on 
  upper 
  portion 
  of 
  mesopleurae 
  with 
  a 
  certain 
  number 
  of 
  fine 
  black 
  hairs. 
  Abdomen 
  : 
  

   dorsum 
  marked 
  as 
  shown 
  in 
  fig. 
  6, 
  but 
  dark 
  neutral 
  grey, 
  median, 
  longitudinal 
  stripe, 
  

   which 
  commences 
  at 
  base 
  of 
  second 
  (visible) 
  segment, 
  is 
  often 
  more 
  or 
  less 
  distinctly 
  

  

  Fig. 
  6. 
  Tabanus 
  inaequatus, 
  Austen, 
  $. 
  

  

  and 
  widely 
  interrupted 
  on 
  hind 
  borders 
  of 
  second 
  to 
  fourth 
  tergites 
  inclusive 
  (at 
  least 
  

   as 
  seen 
  when 
  viewed 
  at 
  a 
  low 
  angle 
  from 
  behind), 
  and 
  is 
  sometimes 
  much 
  narrower 
  ; 
  

   first 
  (visible) 
  tergite 
  with 
  a 
  pair 
  of 
  admedian, 
  dark 
  neutral 
  grey 
  spots, 
  in 
  contact 
  with 
  

   one 
  another 
  or 
  narrowly 
  separated 
  in 
  middle 
  line, 
  lying 
  on 
  each 
  side 
  of 
  tip 
  of 
  scutellum 
  

   or 
  just 
  beyond 
  it, 
  and 
  widely 
  separated 
  from 
  hind 
  margin 
  of 
  segment 
  ; 
  hind 
  margins 
  

   of 
  second 
  and 
  following 
  tergites, 
  except 
  last, 
  more 
  or 
  less 
  distinctly 
  light 
  greyish- 
  

   olive 
  pollinose 
  ; 
  last 
  two 
  or 
  last 
  three 
  tergites 
  mainly 
  dark 
  neutral 
  grey, 
  that 
  is, 
  with 
  

   exception 
  of 
  lateral 
  extremities 
  and 
  hind 
  margins 
  in 
  case 
  of 
  fifth 
  and 
  sixth 
  tergites, 
  

   and 
  with 
  exception 
  of 
  lateral 
  extremities 
  in 
  that 
  of 
  seventh, 
  although 
  fifth 
  tergite, 
  

   even 
  when 
  its 
  infuscation 
  is 
  not 
  confined 
  to 
  median 
  stripe, 
  often 
  shows 
  a 
  large, 
  ill- 
  

   defined, 
  paler 
  (more 
  or 
  less 
  ochraceous-tawny) 
  blotch 
  on 
  each 
  side 
  of 
  region 
  of 
  latter 
  ; 
  

   first 
  six 
  (visible) 
  tergites 
  clothed 
  partly 
  with 
  minute, 
  appressed, 
  glistening 
  Naples- 
  

   yellow 
  hairs, 
  which, 
  inter 
  alia, 
  form 
  a 
  more 
  or 
  less 
  distinct 
  pale 
  longitudinal 
  stripe 
  

   down 
  centre 
  of 
  median 
  dark 
  stripe, 
  partly 
  with 
  minute 
  black 
  hairs, 
  latter 
  of 
  which 
  are 
  

   situated 
  especially 
  on 
  each 
  side 
  of 
  median 
  dark 
  stripe 
  on 
  second 
  and 
  third 
  or 
  second 
  to 
  

  

  