﻿Manchester 
  Memoirs, 
  Vol. 
  xliii. 
  (1899), 
  No. 
  3. 
  171 
  

  

  to 
  the 
  apex 
  of 
  the 
  segment, 
  its 
  apical 
  part 
  being 
  thicker 
  

   than 
  the 
  basal 
  ; 
  before 
  its 
  middle, 
  on 
  the 
  inner 
  side, 
  and 
  

   joined 
  to 
  it, 
  is 
  a 
  short, 
  oblique 
  keel. 
  Pleurae 
  smooth 
  and 
  

   shining, 
  glabrous; 
  the 
  metapleurae 
  with 
  a 
  curved 
  keel 
  

   above 
  and 
  below 
  ; 
  the 
  tubercles 
  are 
  distinct. 
  Legs 
  stout 
  ; 
  

   the 
  anterior 
  olive-coloured, 
  as 
  are 
  also 
  the 
  middle 
  coxae; 
  

   the 
  hinder 
  knees 
  are 
  black, 
  the 
  tarsi 
  are 
  infuscated. 
  

   Wings 
  hyaline, 
  the 
  stigma 
  blackish, 
  the 
  nervures 
  paler 
  ; 
  

   the 
  areolet 
  is 
  shortly 
  appendiculated 
  ; 
  the 
  recurrent 
  nervure 
  

   is 
  received 
  in 
  the 
  middle. 
  The 
  first, 
  third, 
  and 
  fifth 
  

   segments 
  are 
  broadly 
  marked 
  with 
  black 
  in 
  or 
  near 
  the 
  

   middle, 
  the 
  mark 
  on 
  the 
  fifth 
  being 
  interrupted 
  ; 
  the 
  base 
  

   of 
  the 
  petiole 
  largely 
  depressed 
  ; 
  the 
  inner 
  side 
  of 
  the 
  

   depression 
  carinate, 
  the 
  keels 
  being 
  continued 
  into 
  the 
  

   apical 
  part 
  to 
  near 
  the 
  end 
  of 
  the 
  segment 
  ; 
  on 
  the 
  apical 
  

   third 
  is 
  a 
  transverse 
  row 
  of 
  deep 
  punctures; 
  the 
  second 
  

   to 
  fifth 
  segments 
  are 
  closely 
  punctured; 
  the 
  transverse 
  

   depressions 
  are 
  longitudinally 
  striated. 
  

  

  D. 
  Black, 
  the 
  abdomen 
  brownish-testaceous 
  ; 
  the 
  legs 
  

   yellowish 
  and 
  fulvous. 
  

  

  PlMPLA 
  BICARINATA, 
  Sp. 
  nov. 
  

  

  Nigra; 
  abdomine 
  oreque 
  brunneis 
  ; 
  pedibus 
  palhde 
  

   flavis, 
  femoribus 
  posticis 
  fulvis 
  ; 
  alls 
  hyalinis, 
  nervis 
  

   stigmateque 
  nigris. 
  $ 
  . 
  

  

  Long. 
  10 
  ; 
  terebra 
  4 
  mm. 
  

  

  Antennae 
  black, 
  the 
  scape 
  thickly 
  covered 
  with 
  long, 
  

   white 
  hair. 
  The 
  face 
  is 
  shining, 
  bluntly 
  carinate 
  in 
  the 
  

   middle 
  (but 
  not 
  at 
  the 
  top 
  and 
  bottom), 
  sparsely 
  

   punctured 
  and 
  covered 
  with 
  longish 
  fuscous 
  hair. 
  Clypeus, 
  

   labrum 
  and 
  mandibles 
  brownish, 
  shining 
  ; 
  the 
  mandibular 
  

   teeth 
  black 
  ; 
  the 
  palpi 
  pale 
  yellow 
  ; 
  the 
  front 
  and 
  vertex 
  

   shining, 
  impunctate; 
  the 
  former 
  not 
  much 
  depressed. 
  

  

  