﻿Manchester 
  Memoirs, 
  Vol. 
  xliii. 
  ( 
  1 
  899), 
  No. 
  3. 
  1 
  87 
  

  

  running 
  from 
  the 
  base 
  to 
  the 
  scutellum 
  ; 
  the 
  base 
  of 
  the 
  

   marks 
  being 
  somewhat 
  triangularly 
  dilated. 
  Scutellum 
  

   and 
  postscutellum 
  yellow 
  ; 
  the 
  scutellum 
  raised, 
  sparsely 
  

   punctured 
  ; 
  the 
  depression 
  at 
  the 
  base 
  of 
  the 
  former 
  

   deep, 
  smooth 
  ; 
  the 
  postscutellum 
  smooth. 
  The 
  median 
  

   segment 
  yellow, 
  a 
  large, 
  black, 
  hourglass-shaped 
  mark 
  

   down 
  its 
  centre 
  ; 
  the 
  basal 
  part 
  being 
  longer 
  and 
  wider 
  

   than 
  the 
  apical 
  ; 
  the 
  basal 
  half 
  of 
  the 
  segment 
  is 
  strongly, 
  

   somewhat 
  rugosely, 
  punctured 
  ; 
  above 
  and 
  touching 
  the 
  

   stigma 
  is 
  a 
  black 
  mark 
  which 
  reaches 
  the 
  base 
  of 
  the 
  

   segment, 
  becoming 
  narrowed 
  as 
  it 
  does 
  so. 
  Legs 
  rufo- 
  

   fulvous 
  ; 
  the 
  fore 
  coxae 
  and 
  trochanters 
  entirely, 
  the 
  

   middle 
  coxae 
  yellow, 
  marked 
  with 
  rufo-fulvous 
  behind 
  ; 
  

   the 
  hind 
  coxae 
  black, 
  yellow 
  above, 
  except 
  for 
  a 
  large 
  

   black 
  mark 
  in 
  the 
  middle, 
  extending 
  from 
  the 
  base 
  to 
  the 
  

   apex, 
  becoming 
  gradually 
  wider 
  as 
  it 
  does 
  so 
  ; 
  the 
  hinder 
  

   tarsi 
  infuscated. 
  Wings 
  clear 
  hyaline, 
  except 
  for 
  a 
  large 
  

   fusco-violaceous 
  mark 
  at 
  the 
  apex, 
  extending 
  almost 
  

   equally 
  on 
  both 
  sides 
  of 
  the 
  apex 
  of 
  the 
  radial 
  nervure 
  ; 
  

   the 
  areolet 
  is 
  distinctly 
  petiolated 
  ; 
  slightly 
  oblique 
  ; 
  the 
  

   recurrent 
  nervure 
  is 
  received 
  very 
  shortly 
  beyond 
  the 
  

   middle 
  of 
  the 
  cellule. 
  Abdomen 
  black 
  ; 
  closely 
  and 
  

   strongly 
  punctured 
  ; 
  the 
  apices 
  of 
  the 
  first 
  to 
  the 
  fifth 
  

   segments 
  banded 
  with 
  yellow 
  ; 
  the 
  sixth 
  yellow 
  at 
  the 
  

   sides 
  only, 
  the 
  middle 
  of 
  it 
  being 
  rufous 
  ; 
  the 
  last 
  two 
  

   segments 
  are 
  entirely 
  rufous, 
  narrowly 
  lined 
  with 
  yellow 
  

   at 
  the 
  apices 
  ; 
  the 
  ventral 
  segments, 
  except 
  the 
  apical, 
  

   yellowish. 
  

  

  The 
  $ 
  is 
  similar 
  to 
  the 
  $ 
  in 
  coloration, 
  except 
  that 
  

   the 
  hinder 
  femora 
  are 
  of 
  a 
  clearer 
  yellow 
  colour, 
  and 
  

   broadly 
  marked 
  with 
  black 
  ; 
  the 
  hinder 
  tarsi 
  are 
  blackish 
  ; 
  

   the 
  antennae 
  are 
  as 
  long 
  as 
  the 
  body, 
  the 
  flagellum 
  more 
  

   brownish, 
  and 
  with 
  the 
  joints 
  dilated 
  at 
  their 
  apices; 
  the 
  

   black 
  mark 
  on 
  the 
  median 
  segment 
  is 
  narrowed 
  in 
  the 
  

  

  