﻿30 
  Mk. 
  Cameron 
  on 
  

  

  concave, 
  rough, 
  hardly 
  dilated 
  towards 
  the 
  apex. 
  Aleso- 
  

   pleurcX 
  shining, 
  impunctate 
  in 
  the 
  middle, 
  the 
  metapleur.e 
  

   the 
  same 
  except 
  at 
  the 
  apex. 
  Median 
  segment 
  rounded, 
  

   and 
  with 
  a 
  very 
  slight 
  slope. 
  Abdomen 
  as 
  long 
  as 
  the 
  head 
  

   and 
  thorax 
  united 
  ; 
  subpetiolate 
  ; 
  less 
  strongly 
  punctured 
  

   than 
  the 
  thorax 
  ; 
  the 
  hairs 
  at 
  the 
  base 
  black, 
  at 
  apex 
  pale 
  ; 
  

   the 
  ventral 
  segments 
  fringed 
  with 
  long 
  silvery 
  hair 
  ; 
  

   pygidium 
  longitudinally 
  striated, 
  rufous 
  in 
  the 
  centre. 
  

   Legs 
  bearing 
  whitish 
  hairs 
  : 
  the 
  calcaria 
  pale 
  ; 
  the 
  tibial 
  

   spurs 
  thick 
  and 
  of 
  four 
  pairs. 
  Mandibles 
  piceous 
  at 
  the 
  

   base. 
  

  

  Length, 
  7 
  mm. 
  

  

  M. 
  rufitarsis, 
  Sm., 
  appears 
  to 
  have 
  pretty 
  much 
  the 
  

   same 
  colouration 
  and 
  markings 
  as 
  the 
  above, 
  but 
  it 
  is 
  

   larger 
  (4^ 
  lines). 
  

  

  ^MUTILLA 
  TRIMACULATA, 
  Sp. 
  910V. 
  

  

  Black, 
  the 
  thorax 
  dark 
  rufo-testaceous, 
  a 
  round 
  mark 
  on 
  

   the 
  base 
  and 
  apex 
  of 
  the 
  second 
  segment, 
  and 
  a 
  larger 
  

   longish 
  one 
  on 
  the 
  fourth, 
  glistening 
  white. 
  Antennas 
  stout, 
  

   the 
  flagellum 
  dull 
  brownish 
  beneath, 
  the 
  scape 
  obscure 
  

   rufo-testaceous, 
  the 
  third 
  joint 
  clearly 
  longer 
  than 
  the 
  fourth. 
  

   Head 
  as 
  wide 
  as 
  the 
  thorax, 
  rather 
  strongly 
  punctured 
  ; 
  

   covered 
  with 
  long 
  blackish 
  hairs 
  ; 
  antennal 
  tubercles 
  

   shining, 
  dull 
  rufo-testaceous, 
  this 
  being 
  also 
  the 
  colour 
  of 
  

   the 
  mandibles 
  at 
  the 
  apex. 
  Thorax 
  somewhat 
  more 
  

   strongly 
  punctured 
  than 
  the 
  head; 
  the 
  pleurre 
  impunctate; 
  

   the 
  sides 
  of 
  the 
  thorax 
  above 
  straight, 
  becoming 
  slightly, 
  

   but 
  distinctly, 
  narrow'cd 
  from 
  base 
  to 
  apex 
  ; 
  the 
  median 
  

   segment 
  with 
  a 
  rather 
  sharply 
  rounded 
  slope. 
  Abdomen 
  

   not 
  much 
  longer 
  than 
  the 
  head 
  and 
  thorax 
  united, 
  the 
  

   pygidium 
  shining, 
  finely 
  punctured. 
  The 
  ventral 
  segments 
  

   and 
  pleune 
  dull 
  piceous, 
  the 
  thorax 
  and 
  abdomen 
  bearing 
  

   long 
  blackish 
  hairs 
  ; 
  the 
  apical 
  ventral 
  segments 
  fringed 
  

   with 
  whitish 
  hairs 
  ; 
  the 
  legs 
  bear 
  white 
  hairs 
  ; 
  the 
  fore 
  

  

  