﻿Manchester 
  Memoirs, 
  Vol. 
  xliii. 
  (1899), 
  No. 
  3. 
  153 
  

  

  the 
  lateral 
  keels 
  oblique, 
  sharp; 
  the 
  central 
  partition 
  

   triangular. 
  Median 
  segment 
  shining, 
  impunctate 
  ; 
  the 
  

   central 
  area 
  pyriform 
  ; 
  the 
  keel 
  bounding 
  it 
  broad 
  and 
  flat 
  

   at 
  the 
  base, 
  sharp 
  at 
  the 
  apex, 
  where 
  it 
  is 
  deeply 
  hollowed 
  ; 
  

   the 
  lateral 
  basal 
  areae 
  are 
  large, 
  wider 
  than 
  long, 
  shallow 
  ; 
  

   the 
  apical 
  deeper, 
  shorter 
  and 
  narrowed 
  obliquely 
  on 
  the 
  

   inner 
  side, 
  the 
  bounding 
  keel 
  being 
  curved; 
  from 
  its 
  apex 
  

   two 
  stout 
  keels 
  run 
  obliquely, 
  forming 
  a 
  somewhat 
  trian- 
  

   gular 
  area. 
  Pro- 
  and 
  meso-pleurae 
  smooth, 
  shining; 
  the 
  

   metapleurae 
  also 
  smooth 
  ; 
  the 
  keel 
  below 
  the 
  spiracles 
  

   sharp 
  and 
  narrow. 
  Legs 
  stout 
  ; 
  the 
  hinder 
  coxae 
  and 
  

   femora 
  suffused 
  with 
  fulvous 
  ; 
  the 
  hinder 
  tarsi 
  rufous. 
  

   Areolet 
  oblique; 
  the 
  recurrent 
  nervure 
  is 
  received 
  in 
  the 
  

   apical 
  fourth, 
  about 
  the 
  distance 
  of 
  the 
  length 
  of 
  its 
  top. 
  

   Abdomen 
  brownish; 
  the 
  base 
  and 
  apex 
  of 
  the 
  petiole 
  

   broadly 
  ; 
  the 
  apices 
  of 
  the 
  second 
  and 
  third 
  segments 
  

   broadly, 
  and 
  of 
  the 
  fourth 
  and 
  fifth 
  narrowly, 
  yellow 
  ; 
  the 
  

   petiole 
  sharply 
  carinated 
  laterally 
  to 
  shortly 
  beyond 
  the 
  

   middle; 
  the 
  base 
  and 
  the 
  sides 
  depressed 
  obliquely 
  beyond 
  

   the 
  middle. 
  

  

  Theronia 
  NIGROBALTEATA, 
  Sp. 
  nov. 
  

  

  Fttlva, 
  nigro-maculata 
  ; 
  alts 
  hyalinis, 
  apice 
  fumatis 
  ; 
  

   stigmate 
  testaceo. 
  ? 
  . 
  

  

  Long. 
  10; 
  terebra 
  3 
  mm. 
  

  

  Comes 
  near 
  to 
  T. 
  areolata, 
  but 
  is 
  smaller; 
  has 
  the 
  

   thorax 
  and 
  abdomen 
  marked 
  with 
  black, 
  and 
  otherwise 
  

   may 
  be 
  known 
  by 
  the 
  central 
  area 
  on 
  the 
  base 
  of 
  the 
  

   median 
  segment 
  being 
  square 
  and 
  not 
  hollowed. 
  Antennas 
  

   stout, 
  brownish, 
  darker 
  towards 
  the 
  apex, 
  the 
  scape 
  paler. 
  

   Face 
  punctured 
  all 
  over; 
  fulvous, 
  yellowish 
  at 
  the 
  top; 
  

   the 
  clypeus 
  impunctate; 
  the 
  mandibular 
  teeth 
  black. 
  

   Mesonotum 
  dark 
  brown 
  ; 
  the 
  sides 
  and 
  two 
  lines 
  down 
  

   the 
  middle 
  yellow; 
  the 
  scutellar 
  depression, 
  and 
  a 
  narrow 
  

  

  