﻿NEW 
  (SPECIES 
  OF 
  BORBORID.E—MALLOCH. 
  371 
  

  

  legs 
  black, 
  trochanters, 
  apices 
  of 
  femora, 
  bases 
  and 
  apices 
  of 
  tibiae, 
  

   and 
  tarsi 
  yellow, 
  all 
  legs 
  covered 
  with 
  short 
  hairs, 
  midtibise 
  with 
  

   2-3 
  weak 
  bristles 
  at 
  near 
  apex 
  on 
  dorsal 
  surface, 
  basal 
  joint 
  of 
  hind 
  

   tarsi 
  not 
  greatly, 
  though 
  distinctly 
  swollen, 
  about 
  two-thirds 
  as 
  long 
  

   as 
  second 
  joint 
  which 
  is 
  distmctly 
  tliiinier; 
  wings 
  whitish, 
  veins 
  ex- 
  

   cept 
  costa 
  almost 
  colorless, 
  from 
  humeral 
  cross 
  vein 
  to 
  end 
  of 
  first 
  

   vem 
  equal 
  to 
  the 
  next 
  division 
  of 
  costa, 
  both 
  together 
  equal 
  to 
  the 
  

   last 
  costal 
  division, 
  last 
  section 
  of 
  second 
  vein 
  nearly 
  twice 
  as 
  long 
  as 
  

   basal 
  section 
  of 
  thh'd, 
  outer 
  cross 
  vein 
  almost 
  directly 
  underneath 
  end 
  

   of 
  second 
  vem, 
  fourth 
  vein 
  from 
  inner 
  cross 
  vein 
  to 
  outer 
  cross 
  vein 
  

   longer 
  than 
  basal 
  part 
  of 
  third 
  and 
  twice 
  as 
  long 
  as 
  outer 
  cross 
  vein, 
  

   last 
  portion 
  of 
  third 
  vein 
  straight 
  and 
  endmg 
  almost 
  at 
  wing 
  tip, 
  fourth 
  

   and 
  fifth 
  veins 
  hardly 
  traceable 
  beyond 
  outer 
  cross 
  vein; 
  halteres 
  

   dusky 
  yellow. 
  

  

  Length, 
  1 
  mm. 
  

  

  One 
  male, 
  Mayaguez, 
  Porto 
  Rico, 
  January, 
  1899 
  (A. 
  Busck). 
  

  

  Allied 
  to 
  lugubrina. 
  

  

  Type.— 
  Cat. 
  No. 
  14953, 
  U.S.N.IVl.. 
  

  

  LIMOSINA 
  PARVA, 
  new 
  species. 
  

  

  Male. 
  — 
  Sliinmg 
  black; 
  frons 
  raised 
  in 
  center, 
  shining 
  except 
  on 
  

   divergent 
  central 
  stripes, 
  lateral 
  bristles 
  projecting 
  over 
  eyes, 
  central 
  

   bristles 
  distmct, 
  anterior 
  outline 
  of 
  frons 
  centrally 
  produced, 
  face 
  

   shghtly 
  dusted, 
  concave, 
  mouth 
  margin 
  produced, 
  anterior 
  mouth 
  

   marginal 
  bristle 
  strong, 
  one 
  weaker 
  bristle 
  and 
  a 
  few 
  hairs 
  posterior 
  to 
  

   it, 
  cheek 
  about 
  one-third 
  as 
  high 
  as 
  height 
  of 
  eye, 
  antennje 
  black, 
  basal 
  

   jomt 
  rather 
  strongly 
  bristled, 
  third 
  joint 
  strongly 
  whitish 
  pubescent, 
  

   distinctly 
  but 
  not 
  greatly 
  larger 
  than 
  basal 
  joint, 
  arista 
  about 
  one 
  and 
  

   two-thirds 
  as 
  long 
  as 
  breadth 
  of 
  frons 
  at 
  center, 
  thin, 
  black, 
  distinctly 
  

   pubescent; 
  mesonotum 
  shining 
  black, 
  with 
  scattered 
  short 
  hairs, 
  as 
  

   broad 
  as 
  long, 
  scutellum 
  broad, 
  not 
  regularly 
  rounded, 
  with 
  four 
  

   marginal 
  bristles; 
  abdomen 
  glossy 
  black, 
  the 
  basal 
  segment 
  nearly 
  as 
  

   long 
  as 
  next 
  two 
  together, 
  all 
  segments 
  bare 
  on 
  disk 
  except 
  the 
  last 
  

   and 
  with 
  lateral 
  rather 
  long 
  hairs, 
  hypopygium 
  not 
  very 
  large, 
  of 
  nor- 
  

   mal 
  shape, 
  with 
  scattered 
  hairs 
  ; 
  legs 
  black, 
  tibisB 
  and 
  tarsi 
  piceous, 
  

   one 
  weak 
  dorsal 
  bristle 
  at 
  basal 
  third 
  and 
  two 
  subapical 
  on 
  mid 
  tibiae, 
  all 
  

   legs 
  with 
  short 
  hairs, 
  basal 
  joint 
  of 
  hind 
  tarsi 
  dilated, 
  two-thirds 
  as 
  

   long 
  as 
  second 
  joint 
  which 
  is 
  slightly 
  dilated; 
  wings 
  gray, 
  from 
  

   humeral 
  vem 
  to 
  end 
  of 
  first 
  vein 
  shorter 
  than 
  next 
  costal 
  division 
  

   which 
  is 
  one-half 
  as 
  long 
  as 
  last 
  division, 
  basal 
  section 
  of 
  third 
  vein 
  

   about 
  two 
  thirds 
  as 
  long 
  as 
  last 
  section 
  of 
  second 
  vein, 
  and 
  equal 
  to 
  

   fourth 
  vein 
  from 
  inner 
  to 
  outer 
  cross 
  vein, 
  outer 
  cross 
  vein 
  very 
  

   slightly 
  beyond 
  end 
  of 
  second 
  vein 
  and 
  tAvice 
  as 
  long 
  as 
  inner 
  cross 
  

   vein, 
  last 
  section 
  of 
  third 
  vein 
  slightly 
  bent 
  upward 
  and 
  ending 
  dis- 
  

  

  