﻿402 
  E. 
  BRUNETTI. 
  

  

  Type 
  $ 
  presented 
  to 
  the 
  British 
  Museum, 
  type 
  § 
  in 
  the 
  Deutsches 
  Entomologisches 
  

   Museum, 
  Berlin. 
  Described 
  from 
  a 
  single 
  £ 
  and 
  $ 
  sent 
  by 
  Dr. 
  Horn 
  to 
  the 
  Imperial 
  

   Bureau 
  of 
  Entomology. 
  

  

  Silvius 
  punctipennis, 
  sp. 
  nov. 
  

  

  °2. 
  Head 
  : 
  Frons 
  with 
  practically 
  parallel 
  sides, 
  about 
  one-fourteenth 
  total 
  width 
  

   of 
  head 
  measured 
  across 
  middle 
  of 
  frons, 
  brownish-grey 
  dusted 
  ; 
  vertex 
  flush 
  with 
  

   upper 
  side 
  of 
  eyes, 
  ocellar 
  tubercle 
  and 
  ocelli 
  very 
  inconspicuous. 
  A 
  shining 
  black 
  

   callus, 
  longer 
  than 
  broad, 
  just 
  above 
  frontal 
  triangle, 
  with 
  a 
  narrow, 
  shining 
  black 
  

   line 
  extending 
  upwards 
  more 
  than 
  half-way 
  to 
  vertex. 
  Eyes 
  dark 
  brown. 
  Frontal 
  

   triangle 
  brownish-yellow 
  tomentose. 
  Antennae 
  obscurely 
  orange-brown 
  ; 
  third 
  

   joint 
  with 
  first 
  annulation 
  darker, 
  remainder 
  of 
  joint 
  black. 
  Underside 
  of 
  head 
  ash- 
  

   grey, 
  with 
  a 
  little 
  fine 
  white 
  pubescence 
  on 
  lower 
  part 
  of 
  cheeks 
  and 
  round 
  base 
  of 
  

   proboscis, 
  extending 
  over 
  lower 
  margins 
  of 
  the 
  wholly 
  ash-grey 
  occiput. 
  Proboscis 
  

   black 
  ; 
  palpi 
  rather 
  slender, 
  pale 
  livid 
  yellow 
  with 
  very 
  short 
  black 
  hairs. 
  Extreme 
  

   tip' 
  of 
  epistome 
  shining 
  yellowish-brown, 
  bare. 
  

  

  Thorax 
  obscurely 
  blackish-grey 
  ; 
  humeral 
  region 
  indefinitely 
  whitish-grey 
  

   dusted, 
  the 
  colour 
  extending 
  hindwards 
  as 
  a 
  pair 
  of 
  pale 
  yellowish, 
  parallel 
  narrow 
  

   stripes 
  towards 
  each 
  side 
  of 
  dorsum, 
  nearly 
  or 
  just 
  attaining 
  hind 
  margin 
  ; 
  ends 
  of 
  

   suture 
  irregularly 
  whitish-grey, 
  also 
  lower 
  margins 
  of 
  hind 
  corners 
  of 
  dorsum. 
  Sides 
  

   of 
  thorax 
  wholly 
  ash-grey 
  with 
  fine 
  white 
  pubescence. 
  Scutellum 
  concolorous 
  with 
  

   dorsum, 
  margins 
  indistinctly 
  pale. 
  Pubescence 
  of 
  dorsum 
  of 
  thorax 
  black, 
  very 
  short 
  

   and 
  inconspicuous, 
  more 
  obvious 
  on 
  humeral 
  region 
  and 
  above 
  wings. 
  Scutellar 
  

   pubescence 
  mainly 
  whitish, 
  a 
  little 
  longer 
  than 
  that 
  of 
  thorax, 
  rather 
  sparse. 
  

  

  A 
  bdomen 
  dull 
  blackish 
  ; 
  first 
  and 
  second 
  segments 
  more 
  or 
  less 
  ochraceous 
  towards 
  

   sides 
  ; 
  hind 
  margins 
  of 
  all 
  segments 
  narrowly 
  yellowish-white, 
  with 
  a 
  fringe 
  of 
  short 
  

   whitish 
  hairs 
  ; 
  pubescence 
  on 
  rest 
  of 
  abdomen 
  short, 
  black. 
  Venter 
  blackish, 
  hind 
  

   margins 
  of 
  segments 
  whitish 
  ; 
  pubescence 
  short, 
  whitish, 
  uniform. 
  

  

  Legs 
  : 
  Coxae 
  ash-grey 
  dusted, 
  with 
  fine 
  white 
  pubescence. 
  Femora 
  mainly 
  

   black 
  ; 
  base 
  of 
  middle 
  pair 
  nearly 
  to 
  middle, 
  of 
  hind 
  pair 
  narrowly 
  and 
  tips 
  of 
  all 
  

   pairs 
  just 
  perceptibly, 
  orange-brown. 
  Tibiae 
  mainly 
  orange-brown, 
  apical 
  half 
  of 
  

   fore 
  pair, 
  tips 
  narrowly 
  of 
  posterior 
  pairs 
  blackish 
  ; 
  fore 
  tarsi 
  practically 
  all 
  black, 
  

   posterior 
  tarsi 
  dull 
  orange-brown 
  with 
  tips 
  of 
  joints 
  black. 
  Pubescence 
  of 
  legs 
  black 
  

   and 
  almost 
  microscopic 
  except 
  for 
  a 
  little 
  soft 
  whitish 
  hair 
  below 
  posterior 
  femora. 
  

  

  Wings 
  pale 
  grey, 
  iridescent, 
  the 
  following 
  parts 
  dark 
  brown 
  : 
  costal 
  margin, 
  

   dying 
  away 
  narrowly 
  near 
  wing-tip, 
  filling 
  costal 
  and 
  subcostal 
  cells 
  ; 
  definite 
  small 
  

   suffusions 
  over 
  base 
  of 
  third 
  vein 
  and 
  anterior 
  cross-vein 
  ; 
  fork 
  of 
  third 
  vein 
  ; 
  outer 
  

   side 
  of 
  discal 
  cell, 
  fork 
  of 
  fifth 
  vein 
  and 
  over 
  the 
  posterior 
  cross-vein 
  ; 
  most 
  of 
  the 
  

   longitudinal 
  veins 
  just 
  perceptibly 
  suffused 
  with 
  brown. 
  Halteres 
  blackish 
  brown, 
  

   stems 
  pale. 
  

  

  Length, 
  1-1\ 
  mm. 
  

  

  Cuba 
  : 
  Sierra 
  Maestra, 
  900-3,000 
  ft., 
  10-20.vh.1922 
  (Col. 
  C. 
  H. 
  Ballou 
  and 
  S. 
  C. 
  

   Bruner) 
  . 
  

  

  Type 
  $ 
  and 
  another 
  $ 
  presented 
  to 
  the 
  British 
  Museum, 
  and 
  a 
  third 
  specimen 
  

   in 
  the 
  Deutsches 
  Entomologisches 
  Museum, 
  Berlin. 
  As 
  few 
  species 
  of 
  Silvius 
  bear 
  

   conspicuous 
  dark 
  spots 
  on 
  the 
  wings, 
  this 
  one 
  should 
  be 
  recognised 
  without 
  difficulty. 
  

  

  