﻿322 
  Dr. 
  D. 
  Sharp 
  on 
  

  

  Group 
  SUNIINA. 
  

  

  Mesunius 
  optatus, 
  n. 
  sp. 
  

  

  Ferrugineus 
  ; 
  antennis, 
  palpia 
  pedibusque 
  testaceis 
  ; 
  abdomine 
  

  

  apicem 
  versus 
  fuscescente 
  ; 
  elytris 
  thorace 
  multo 
  brevioribus. 
  

   Long. 
  5 
  millim. 
  

  

  Antennte 
  with 
  the 
  first 
  joint 
  much 
  longer 
  and 
  stouter 
  than 
  

   the 
  others, 
  reddish, 
  the 
  others 
  yellow. 
  Head 
  much 
  larger 
  

   than 
  the 
  elytra, 
  coarsely 
  and 
  closely 
  punctate. 
  Thorax 
  

   distinctly 
  longer 
  than 
  broad, 
  much 
  rounded 
  in 
  front, 
  and 
  a 
  

   little 
  narrowed 
  behind, 
  very 
  coarsely 
  punctate, 
  somewhat 
  

   shining, 
  with 
  a 
  slight 
  impression 
  on 
  either 
  side 
  of 
  the 
  middle 
  

   at 
  the 
  base. 
  Elytra 
  small, 
  narrow, 
  especially 
  at 
  the 
  shoulders, 
  

   densely, 
  coarsely, 
  and 
  deeply 
  punctured. 
  Hind 
  body 
  with 
  

   the 
  basal 
  segments 
  coarsely, 
  the 
  apical 
  obsoletely, 
  punctured. 
  

   In 
  the 
  male 
  the 
  penultimate 
  ventral 
  segment 
  is 
  very 
  deeply 
  

   excised 
  for 
  the 
  greater 
  part 
  of 
  its 
  length 
  ; 
  each 
  hind 
  angle 
  of 
  

   the 
  excision 
  is 
  furnished 
  with 
  a 
  broad 
  tuft 
  of 
  hairs, 
  the 
  tuft 
  

   being 
  acuminate 
  and 
  somewhat 
  incurved. 
  The 
  terminal 
  

   segment 
  bears 
  a 
  very 
  elongate 
  narrow 
  excision. 
  

  

  Sun 
  ins 
  porosus, 
  n. 
  sp. 
  

  

  Minus 
  gracilis, 
  fortiter 
  punctatus, 
  opacus, 
  niger; 
  antennis, 
  palpis 
  

  

  elytrisque 
  ferrugineis, 
  pedibus 
  pallide 
  flavis. 
  

   Long. 
  5| 
  millim. 
  

  

  Antennas 
  moderately 
  long, 
  penultimate 
  joint 
  nearly 
  twice 
  

   as 
  long 
  as 
  broad. 
  Head 
  broad, 
  slightly 
  broader 
  than 
  the 
  

   elytra, 
  coarsely 
  reticulate. 
  Thorax 
  a 
  little 
  narrower 
  than 
  

   the 
  elytra, 
  much 
  narrowed 
  behind, 
  slightly 
  longer 
  than 
  

   broad, 
  coarsely 
  reticulate. 
  Elytra 
  only 
  about 
  as 
  long 
  as 
  the 
  

   thorax, 
  very 
  coarsely, 
  deeply, 
  and 
  densely 
  punctate. 
  Hind 
  

   body 
  not 
  very 
  elongate, 
  coarsely 
  punctured 
  ; 
  the 
  two 
  apical 
  

   segments 
  much 
  more 
  sparingly 
  punctured 
  and 
  a 
  little 
  shining. 
  

  

  Yokohama 
  ; 
  two 
  females. 
  

  

  This 
  is 
  not 
  very 
  closely 
  allied 
  to 
  any 
  other 
  ; 
  it 
  may 
  be 
  

   placed 
  between 
  S. 
  histrio 
  and 
  S. 
  Jiliformis. 
  

  

  Sunius 
  suffusus. 
  

  

  Sunius 
  suffusus, 
  Sharp, 
  Trans. 
  Ent. 
  Soc. 
  Lond. 
  1874, 
  p. 
  73. 
  

  

  Mr. 
  Lewis 
  has 
  now 
  procured 
  a 
  good 
  series 
  of 
  this 
  species, 
  

   showing 
  that 
  it 
  is 
  variable 
  in 
  colour 
  ; 
  it 
  may 
  be 
  either 
  ferru- 
  

   ginous, 
  with 
  the 
  apex 
  of 
  the 
  hind 
  body 
  black, 
  or 
  the 
  body 
  

  

  