﻿Manchester 
  Memoirs, 
  Vol. 
  xlii. 
  (1898), 
  No. 
  11. 
  31 
  

  

  pile; 
  the 
  lower 
  three-fourths 
  of 
  the 
  orbits 
  densely 
  covered 
  

   with 
  a 
  silvery 
  pubescence 
  ; 
  the 
  clypeus 
  covered 
  with 
  

   a 
  longer 
  and 
  denser 
  silvery 
  pubescence. 
  Ocelli 
  . 
  ■ 
  . 
  

   Clypeus 
  stoutly 
  keeled 
  in 
  the 
  middle, 
  its 
  apex 
  slightly 
  

   projecting 
  ; 
  mandibles 
  yellow 
  ; 
  the 
  teeth 
  black, 
  the 
  part 
  

   at 
  their 
  base 
  piceous. 
  Scape 
  of 
  the 
  antennae 
  shining, 
  

   yellow, 
  glabrous 
  ; 
  the 
  flagellum 
  black, 
  and 
  covered 
  with 
  

   a 
  microscopic 
  down. 
  Pronotum 
  thickly 
  covered 
  with 
  

   fuscous 
  pubescence 
  ; 
  the 
  mesonotum 
  thickly 
  covered 
  with 
  

   a 
  microscopic 
  pile 
  ; 
  the 
  depression 
  at 
  the 
  base 
  of 
  the 
  

   scutellum 
  crenulated 
  ; 
  the 
  post-scutellum 
  closely 
  longitudi- 
  

   nally 
  punctured 
  ; 
  median 
  segment 
  finelyrugoselypunctured: 
  

   the 
  enclosed 
  space 
  at 
  the 
  base 
  with 
  a 
  shallow, 
  somewhat 
  

   crenulated 
  furrow 
  in 
  its 
  centre 
  ; 
  on 
  either 
  side 
  of 
  this 
  are 
  

   one 
  short, 
  and 
  four 
  longer, 
  longitudinal 
  keels 
  ; 
  at 
  the 
  sides 
  

   are 
  a 
  few 
  oblique 
  keels 
  ; 
  the 
  apex 
  of 
  the 
  segment 
  has 
  a 
  

   rounded, 
  slightly 
  oblique 
  slope 
  and 
  is 
  densely 
  covered 
  with 
  

   white 
  pubescence; 
  its 
  centre 
  with 
  a 
  shallow 
  furrow; 
  its 
  

   sides 
  with 
  a 
  sharp 
  keel 
  extending 
  from 
  the 
  base 
  to 
  the 
  

   apex. 
  Propleurae 
  hollowed, 
  glabrous 
  ; 
  the 
  base 
  with 
  three 
  

   stout, 
  curved 
  keels 
  turned 
  towards 
  the 
  base, 
  and 
  one 
  

   turned 
  towards 
  the 
  apex 
  ; 
  the 
  mesopleurae 
  alutaceous, 
  

   densely 
  covered 
  with 
  white 
  pile 
  ; 
  behind 
  the 
  tubercles 
  is 
  a 
  

   sharp, 
  distinct 
  keel, 
  oblique 
  at 
  the 
  base, 
  then 
  following 
  the 
  

   edge 
  of 
  the 
  pleurae 
  to 
  the 
  sternum 
  ; 
  immediately 
  behind 
  

   the 
  yellow 
  mark 
  is 
  a 
  distinct 
  oblique 
  furrow, 
  running 
  to 
  

   the 
  sternum, 
  where 
  it 
  joins 
  the 
  keel. 
  Metapleurae 
  closely 
  

   and 
  uniformly 
  obliquely 
  striated, 
  except 
  at 
  the 
  base, 
  where 
  

   there 
  are, 
  at 
  the 
  top, 
  five 
  longish, 
  and, 
  at 
  the 
  bottom, 
  five 
  

   shorter 
  striae 
  ; 
  the 
  two 
  sorts 
  being 
  separated 
  by 
  a 
  space. 
  

   Legs 
  black; 
  the 
  fore 
  femora 
  broadly 
  yellow 
  at 
  the 
  base 
  

   and 
  with 
  a 
  line, 
  contracted 
  in 
  the 
  middle, 
  on 
  the 
  outer 
  

   side 
  at 
  the 
  apex 
  ; 
  the 
  tibiae 
  yellow, 
  black 
  behind 
  ; 
  the 
  tarsi 
  

   yellow, 
  more 
  or 
  less 
  rufous 
  towards 
  the 
  apex 
  ; 
  the 
  hind 
  

   tibiae 
  spined 
  ; 
  the 
  middle 
  spines 
  originating 
  from 
  tubercles. 
  

  

  