﻿Manchester 
  Memoirs, 
  Vol. 
  xliii. 
  (1899), 
  No. 
  3- 
  183 
  

  

  PlMPLA 
  LAETIVENTRIS, 
  Sp. 
  nov. 
  

  

  Nigra; 
  pedibus 
  rufis, 
  coxis 
  trochanteribusque 
  flavis 
  ; 
  

   abdomine 
  flavolineato 
  ; 
  a/is 
  hyalinis, 
  stigmate 
  nervisque 
  

   testaceis. 
  $ 
  . 
  

  

  Long. 
  10 
  ; 
  terabra 
  8 
  — 
  9 
  mm. 
  

  

  Head 
  shining 
  ; 
  the 
  front 
  and 
  vertex 
  impunctate 
  ; 
  the 
  

   hinder 
  ocelli 
  bordered 
  by 
  a 
  furrow 
  on 
  the 
  outer 
  side 
  ; 
  

   the 
  face 
  thickly 
  covered 
  with 
  pale 
  hair 
  ; 
  the 
  clypeus 
  

   depressed, 
  thickly 
  covered 
  with 
  long, 
  fuscous 
  hair; 
  dull 
  

   brownish, 
  the 
  apex 
  black 
  ; 
  the 
  palpi 
  stramineous 
  ; 
  the 
  

   mandibles 
  black. 
  Thorax 
  black, 
  except 
  for 
  a 
  narrow 
  

   line 
  on 
  the 
  apical 
  half 
  of 
  the 
  pronotum 
  and 
  the 
  tegulae, 
  

   which 
  are 
  yellow. 
  Mesonotum 
  shining, 
  covered 
  with 
  short, 
  

   black 
  hair 
  ; 
  the 
  scutellum 
  flat, 
  aciculated, 
  sparsely 
  marked 
  

   with 
  punctures, 
  and 
  with 
  a 
  small 
  round 
  fovea 
  in 
  the 
  

   middle, 
  near 
  the 
  base; 
  the 
  postscutellum 
  smooth, 
  shining. 
  

   Median 
  segment 
  strongly 
  and 
  uniformly 
  punctured, 
  except 
  

   in 
  the 
  middle 
  at 
  the 
  base 
  and 
  apex, 
  where 
  it 
  is 
  smooth, 
  

   impunctate, 
  and 
  thickly 
  covered 
  with 
  long, 
  pale 
  hair. 
  Pro- 
  

   and 
  meso-pleurge 
  smooth 
  and 
  shining 
  ; 
  the 
  middle 
  of 
  the 
  

   mesopleurae 
  sparsely 
  haired 
  ; 
  the 
  upper 
  part 
  of 
  the 
  meta- 
  

   pleurae 
  closely 
  punctured 
  ; 
  the 
  part 
  below 
  the 
  curved 
  keel 
  

   impunctate. 
  Mesosternum 
  smooth, 
  thickly 
  covered 
  with 
  

   pale 
  hair. 
  The 
  four 
  anterior 
  legs 
  have 
  the 
  red 
  on 
  the 
  

   femora 
  suffused 
  with 
  yellow 
  ; 
  the 
  hinder 
  tibiae 
  and 
  tarsi 
  

   are 
  paler, 
  more 
  yellowish 
  in 
  tint 
  than 
  the 
  femora. 
  Wings 
  

   hyaline 
  ; 
  the 
  costa, 
  stigma 
  and 
  nervures 
  testaceous 
  ; 
  the 
  

   nervures 
  paler, 
  not 
  so 
  reddish 
  in 
  tint 
  ; 
  the 
  areolet 
  slightly 
  

   oblique, 
  rather 
  long 
  ; 
  the 
  transverse 
  cubital 
  nervures 
  meet 
  

   at 
  the 
  top 
  ; 
  the 
  recurrent 
  nervure 
  is 
  received 
  in 
  the 
  apical 
  

   fourth 
  of 
  the 
  areolet. 
  Abdomen 
  black 
  ; 
  the 
  sides 
  of 
  the 
  

   third 
  and 
  fourth 
  segments 
  narrowly 
  and 
  obscurely, 
  of 
  the 
  

   fifth 
  and 
  sixth 
  more 
  broadly 
  and 
  clearly, 
  yellow 
  ; 
  the 
  sixth 
  

   and 
  seventh 
  segments 
  are 
  bounded 
  with 
  lemon-yellow 
  at 
  

  

  