﻿Manchester 
  Memoirs, 
  Vol. 
  xliii. 
  (1899), 
  No. 
  3. 
  59 
  

  

  the 
  apex 
  of 
  the 
  hinder 
  trochanters, 
  the 
  extreme 
  base 
  of 
  

   the 
  hinder 
  femora, 
  their 
  apical 
  fourth 
  deeply, 
  and 
  the 
  

   apical 
  third 
  of 
  the 
  tibiae, 
  black, 
  the 
  black 
  on 
  the 
  latter 
  not 
  

   so 
  deep 
  at 
  the 
  base; 
  the 
  tarsi 
  pale. 
  Abdomen 
  black, 
  

   shining 
  ; 
  the 
  petiole 
  whitish-yellow. 
  

  

  Gasteruption 
  MANDIBULARE, 
  Sp. 
  H0V. 
  

  

  Nigrum 
  ; 
  mandibulis 
  rufis 
  ; 
  macula 
  ad 
  basin 
  tibiarum 
  

   posticarum 
  rufo-testacea 
  ; 
  alis 
  Jiyalinis. 
  ? 
  . 
  

  

  Long. 
  12-13 
  ; 
  terebra 
  13 
  mm. 
  

  

  Antennae 
  as 
  long 
  as 
  the 
  head 
  and 
  thorax 
  united, 
  

   smooth, 
  bare 
  ; 
  the 
  third 
  joint 
  shorter 
  than 
  the 
  fourth, 
  

   being 
  about 
  two-thirds 
  of 
  its 
  length. 
  Head 
  opaque, 
  the 
  

   front 
  and 
  vertex 
  alutaceous, 
  almost 
  glabrous 
  ; 
  the 
  hinder 
  

   ocelli 
  separated 
  from 
  each 
  other 
  by 
  about 
  the 
  same 
  

   distance 
  which 
  separates 
  them 
  from 
  the 
  eyes 
  ; 
  the 
  occiput 
  

   with 
  a 
  narrow, 
  sharp, 
  distinctly 
  separated 
  border, 
  which 
  is 
  

   pale 
  on 
  the 
  outer 
  edge 
  ; 
  the 
  face 
  thickly 
  covered 
  with 
  

   white 
  pubescence 
  ; 
  the 
  mandibles 
  rufous, 
  the 
  teeth 
  black 
  ; 
  

   the 
  palpi 
  blackish. 
  Pronotum 
  closely 
  transversely 
  striated, 
  

   deeply 
  furrowed 
  down 
  the 
  middle. 
  Mesonotum 
  opaque, 
  

   shagreened, 
  bearing 
  scattered, 
  shallow 
  punctures 
  ; 
  the 
  

   apex 
  in 
  the 
  middle 
  irregularly 
  striated 
  and 
  punc- 
  

   tured. 
  Scutellum 
  finely 
  rugose 
  ; 
  the 
  sides 
  above 
  with 
  

   a 
  curved 
  crenulated 
  furrow 
  ; 
  the 
  sides 
  below 
  at 
  the 
  

   apex 
  strongly 
  longitudinally 
  striated. 
  Median 
  segment 
  

   under 
  the 
  petiole 
  transversely 
  striated, 
  the 
  striations 
  at 
  

   the 
  base 
  bent 
  down 
  in 
  the 
  middle 
  ; 
  the 
  apical 
  ones 
  some- 
  

   what 
  stronger 
  and 
  more 
  irregular. 
  Propleurae 
  strongly 
  

   shagreened 
  ; 
  an 
  oblique 
  shallow 
  furrow 
  in 
  the 
  middle, 
  

   which 
  is 
  striated 
  behind 
  ; 
  the 
  mesopleurae 
  thickly 
  covered 
  

   with 
  silvery 
  pubescence 
  ; 
  behind 
  obliquely 
  depressed, 
  

   irregularly 
  striated. 
  Metapleurae 
  closely 
  reticulated. 
  

   Legs 
  black; 
  the 
  extreme 
  base 
  and 
  apex 
  of 
  the 
  front 
  

  

  