﻿Manchester 
  Memoirs, 
  Vol. 
  xliii. 
  (1899), 
  No. 
  3. 
  199 
  

  

  punctured 
  ; 
  the 
  middle 
  beyond 
  these 
  is 
  broadly 
  smooth 
  ; 
  

   the 
  sides 
  stoutly 
  irregularly 
  transversely 
  striated 
  ; 
  at 
  the 
  

   sides 
  of 
  the 
  apex 
  is 
  a 
  stout 
  somewhat 
  Y-shaped 
  keel, 
  the 
  

   outer 
  fork 
  of 
  which 
  is 
  larger 
  and 
  more 
  curved, 
  the 
  tail 
  of 
  

   the 
  Y 
  being 
  continued 
  down 
  to 
  the 
  lower 
  side 
  of 
  the 
  petiole. 
  

   Propleurae 
  punctured 
  above, 
  the 
  lower 
  part 
  smooth, 
  the 
  

   middle 
  coarsely 
  striated. 
  The 
  middle 
  and 
  upper 
  part 
  of 
  

   the 
  mesopleurae 
  smooth, 
  except 
  for 
  some 
  fine 
  keels 
  behind 
  

   the 
  tubercles, 
  where 
  they 
  are 
  depressed 
  ; 
  the 
  lower 
  part 
  

   obscurely 
  punctured 
  and 
  covered 
  with 
  long, 
  white 
  hairs 
  ; 
  

   the 
  tubercles 
  are 
  large 
  ; 
  the 
  furrow 
  at 
  the 
  apex 
  bears 
  some 
  

   stout 
  keels. 
  Metapleurae 
  closely 
  punctured, 
  more 
  closely 
  

   at 
  the 
  base, 
  where 
  there 
  is 
  an 
  oblique 
  keel, 
  which 
  unites 
  

   with 
  the 
  outer 
  corner 
  of 
  the 
  spiracular 
  area 
  ; 
  the 
  latter 
  is 
  

   triangular 
  at 
  the 
  apex, 
  at 
  the 
  base 
  its 
  keels 
  are 
  oblique. 
  

   Wings 
  hyaline, 
  except 
  for 
  the 
  apical 
  cloud 
  ; 
  the 
  nervures 
  

   and 
  stigma 
  black 
  ; 
  the 
  transverse 
  basal 
  and 
  the 
  recurrent 
  

   nervures 
  interstitial 
  ; 
  the 
  latter 
  has 
  two 
  large 
  bullae, 
  its 
  

   centre 
  being 
  thus 
  completely 
  separated 
  from 
  the 
  lower 
  and 
  

   upper 
  portions. 
  The 
  four 
  anterior 
  legs 
  are 
  rufo-testaceous 
  ; 
  

   the 
  hinder 
  pair 
  entirely 
  deep 
  black, 
  and 
  covered 
  thickly 
  

   with 
  black 
  hair 
  ; 
  their 
  calcaria 
  are 
  rufo-testaceous. 
  Ab- 
  

   domen 
  smooth, 
  rufous 
  ; 
  the 
  apex 
  more 
  or 
  less 
  blackish. 
  

  

  Macrogaster 
  luteus, 
  sp. 
  nov. 
  

  

  Luteus, 
  nigromacidatiis 
  ; 
  antennis 
  nigris 
  ; 
  alls 
  hyalinis, 
  

   nervis 
  stigmateque 
  nigris. 
  $ 
  . 
  

  

  Long. 
  8-9 
  mm. 
  

  

  Antennae 
  black, 
  becoming 
  brownish 
  towards 
  the 
  apex 
  ; 
  

   the 
  under 
  side 
  of 
  the 
  scape 
  clear, 
  of 
  the 
  base 
  of 
  the 
  fia- 
  

   gellum 
  obscure, 
  yellow; 
  the 
  scape 
  thickly 
  covered 
  with 
  

   long, 
  the 
  fiagellum 
  much 
  more 
  thickly 
  with 
  shorter, 
  

   fuscous 
  hair. 
  Face 
  strongly 
  punctured, 
  thickly 
  covered 
  

   with 
  short, 
  fuscous 
  hair; 
  the 
  middle 
  above 
  broadly 
  carinate; 
  

  

  