﻿401 
  

  

  TWO 
  NEW 
  SPECIES 
  OF 
  TABANIDAE 
  FROM 
  CUBA. 
  

  

  By 
  E. 
  Brunetti. 
  

   Chrysops 
  guiterasi, 
  sp. 
  nov. 
  

  

  <J. 
  Head 
  : 
  Eyes 
  closely 
  contiguous, 
  leaving 
  a 
  small, 
  well-raised, 
  brownish- 
  

   grey 
  dusted 
  ocellar 
  tubercle 
  at 
  vertex 
  with 
  rather 
  large, 
  shining 
  brown 
  ocelli 
  and 
  a 
  

   few 
  short 
  pale 
  hairs. 
  Large 
  facets 
  of 
  eyes 
  pale 
  brownish-yellow, 
  the 
  small 
  facets 
  

   nearly 
  black. 
  Frontal 
  triangle 
  extremely 
  small, 
  yellowish-grey 
  dusted. 
  Antennae 
  

   with 
  first 
  joint 
  moderately 
  long 
  and 
  thick, 
  broadly 
  cylindrical, 
  tapering 
  at 
  base 
  ; 
  

   second 
  joint 
  shorter 
  and 
  narrower 
  than 
  first 
  ; 
  subcylindrical, 
  both 
  with 
  short 
  black, 
  

   stiff 
  hairs 
  ; 
  third 
  joint 
  of 
  normal 
  shape, 
  bare, 
  a 
  little 
  longer 
  than 
  first 
  and 
  second 
  

   together, 
  with 
  five 
  annulations, 
  the 
  last 
  four 
  being 
  black, 
  basal 
  annulation 
  and 
  first 
  

   and 
  second 
  joints 
  wholly 
  orange. 
  Whole 
  underside 
  of 
  head 
  shining 
  honey- 
  yellow, 
  

   a 
  medium-sized 
  yellow-dusted 
  space 
  on 
  each 
  side 
  of 
  face 
  contiguous 
  to 
  eye 
  margin. 
  

   Proboscis 
  and 
  palpi 
  a 
  little 
  deeper 
  coloured, 
  former 
  with 
  labella 
  black. 
  Occiput 
  

   ash-grey 
  dusted, 
  lower 
  part 
  yellowish 
  with 
  a 
  little 
  pale 
  soft 
  hair. 
  

  

  Thorax 
  : 
  Dorsum 
  orange-brown, 
  with 
  two 
  median, 
  moderately 
  broad, 
  narrowly 
  

   separated, 
  paler 
  dust 
  stripes, 
  very 
  distinct 
  anteriorly, 
  fading 
  a 
  little 
  hindwards 
  but 
  

   attaining 
  hind 
  margin. 
  A 
  broad 
  brownish-yellow 
  dust 
  stripe 
  on 
  each 
  side 
  margin 
  

   from 
  anterior 
  corners 
  to 
  base 
  of 
  wing, 
  leaving 
  the 
  ultimate 
  edge 
  of 
  dorsum 
  on 
  each 
  

   side 
  orange-brown. 
  Sides 
  of 
  thorax 
  mainly 
  yellowish-white, 
  smooth, 
  with 
  an 
  orange- 
  

   brown 
  horizontal 
  stripe 
  along 
  middle, 
  the 
  lower 
  part 
  also 
  orange-brown. 
  Pubescence 
  

   of 
  whole 
  thorax 
  very 
  short, 
  sparse, 
  pale 
  yellow. 
  Scutellum 
  moderately 
  shining 
  

   orange-brown, 
  with 
  a 
  little 
  paler 
  dust. 
  

  

  Abdomen 
  mainly 
  orange-brown, 
  hind 
  margin 
  of 
  first 
  segment 
  rather 
  narrowly 
  in 
  

   middle, 
  second 
  segment 
  on 
  about 
  anterior 
  half, 
  broadening 
  towards 
  sides, 
  and 
  a 
  

   well-defined 
  triangular 
  space 
  in 
  middle 
  of 
  hind 
  margin, 
  also 
  hind 
  margins 
  narrowly 
  

   of 
  remaining 
  segments, 
  the 
  colour 
  widened 
  in 
  middle 
  of 
  each 
  into 
  a 
  large 
  but 
  rather 
  

   indistinct 
  triangle, 
  successively 
  smaller 
  on 
  each 
  succeeding 
  segment, 
  pale 
  yellowish. 
  

   Pubescence 
  of 
  abdomen 
  very 
  short, 
  pale 
  yellow, 
  inconspicuous, 
  sparse. 
  Venter 
  

   brownish-yellow, 
  paler, 
  almost 
  whitish, 
  basally, 
  and 
  darker 
  brown 
  at 
  tip. 
  

  

  Legs 
  brownish-orange, 
  about 
  apical 
  half 
  of 
  hind 
  tibiae 
  slightly 
  darker, 
  as 
  are 
  tips 
  

   of 
  tarsi 
  joints, 
  intensified 
  by 
  numerous 
  small 
  black 
  bristles 
  on 
  these 
  parts. 
  Some 
  fine 
  

   pale 
  yellow 
  hairs 
  on 
  coxae 
  and 
  underside 
  of 
  posterior 
  femora. 
  

  

  Wings 
  pale 
  grey 
  ; 
  anterior 
  margin 
  dark 
  blackish-brown, 
  extending 
  as 
  far 
  hind- 
  

   wards 
  as 
  second 
  longitudinal 
  vein, 
  continued 
  to 
  wing 
  tip, 
  the 
  band 
  of 
  about 
  uniform 
  

   breadth, 
  ending 
  in 
  second 
  submarginal 
  cell. 
  The 
  usual 
  transverse 
  dark 
  band 
  across 
  

   middle 
  of 
  wing, 
  its 
  sides 
  nearly 
  parallel 
  to 
  one 
  another 
  and 
  running 
  to 
  hind 
  margin 
  

   of 
  wing, 
  delimited 
  proximally 
  by 
  inner 
  side 
  of 
  discal 
  cell 
  and 
  distally 
  just 
  beyond 
  

   end 
  of 
  this 
  cell. 
  About 
  basal 
  half 
  of 
  first 
  basal 
  cell 
  and 
  rather 
  less 
  of 
  second 
  basal 
  

   cell 
  blackish 
  brown, 
  as 
  are 
  also 
  base 
  and 
  inner 
  side 
  of 
  fifth 
  posterior 
  cell. 
  Halteres 
  

   blackish 
  brown. 
  

  

  2. 
  Head 
  : 
  Frons 
  yellowish-grey 
  pollinose 
  ; 
  ocellar 
  triangle 
  much 
  less 
  elevated 
  

   than 
  in 
  $, 
  the 
  ocelli 
  black 
  ; 
  a 
  large, 
  transverse, 
  oblong, 
  shining 
  orange-brown 
  callus, 
  

   filling 
  nearly 
  all 
  lower 
  half 
  of 
  frons 
  ; 
  yellowish-grey 
  dust 
  spots 
  on 
  sides 
  of 
  face 
  smaller, 
  

   more 
  elongate, 
  transverse, 
  one 
  end 
  contiguous 
  to 
  eyes. 
  Sides 
  of 
  thorax 
  more 
  yellowish 
  

   than 
  in 
  (J. 
  Abdomen 
  darker 
  yellowish-brown 
  than 
  in 
  g, 
  with 
  about 
  middle 
  part 
  of 
  

   second 
  segment 
  and 
  more 
  than 
  basal 
  half 
  of 
  each 
  remaining 
  segment 
  still 
  deeper 
  

   brown. 
  Hind 
  margins 
  of 
  segments 
  narrowly 
  and 
  inconspicuously 
  yellowish 
  ; 
  no 
  

   trace 
  of 
  pale 
  triangular 
  spots 
  except 
  indistinctly 
  on 
  second 
  segment. 
  Nearly 
  apical 
  

   half 
  of 
  fore 
  tibiae, 
  fore 
  tarsi 
  wholly, 
  knees 
  of 
  middle 
  legs, 
  middle 
  tarsi 
  except 
  first 
  

   joint, 
  tips 
  of 
  hind 
  femora 
  obscurely 
  and 
  hind 
  tarsi 
  except 
  first 
  joint, 
  dark 
  brown. 
  

  

  Length, 
  7 
  J- 
  mm. 
  

  

  Cuba: 
  Manzanillo, 
  31.vii.1922 
  {Col. 
  C. 
  H. 
  Ballon 
  and 
  S. 
  C. 
  Bruner). 
  

  

  