﻿Coleoptei'a 
  ofjapatt. 
  313 
  

  

  conspicuous 
  ; 
  without 
  elevations. 
  Legs 
  rather 
  stout, 
  elongate, 
  

   black 
  ; 
  the 
  tibiae 
  with 
  a 
  pallid 
  ring 
  in 
  the 
  middle, 
  the 
  tarsi 
  varie- 
  

   gate. 
  Middle 
  coxae 
  not 
  widely 
  separate. 
  Breast 
  of 
  the 
  male 
  

   covered 
  with 
  densely-set 
  black 
  scales, 
  giving 
  it 
  an 
  appearance 
  

   somewhat 
  like 
  the 
  surface 
  of 
  a 
  file. 
  

  

  Junsai, 
  Sapporo 
  ; 
  Chiuzenji, 
  23rd 
  August, 
  1881. 
  Seven 
  

   specimens. 
  

  

  This 
  is 
  another 
  very 
  distinct 
  species. 
  

  

  Gkoup 
  9. 
  Thoracic 
  carina 
  forming 
  a 
  curve 
  with 
  the 
  

   convexity 
  forwards 
  ; 
  eyes 
  very 
  widely 
  separated 
  

   above, 
  convergent 
  below 
  ; 
  antennae 
  rather 
  small. 
  

   Species 
  21. 
  

  

  21, 
  Tropideres 
  ixirclalis, 
  n. 
  sp. 
  

  

  Convexus, 
  nigro 
  albidoque 
  variegatus 
  ; 
  antennis 
  parce 
  setosellis, 
  

   tenuibus, 
  parum 
  elongatis, 
  testaceis, 
  clava 
  fusca, 
  laxe 
  articulata 
  ; 
  

   thoracis 
  carina 
  subcurvata, 
  utrinque 
  ad 
  elytra 
  subapproximata. 
  

   Long, 
  rostro 
  deflexo 
  6^ 
  mm. 
  

  

  Antennse 
  with 
  the 
  first 
  and 
  second 
  joints 
  much 
  shorter 
  than 
  the 
  

   others, 
  subequal, 
  3 
  — 
  8 
  each 
  extremely 
  slender, 
  even 
  the 
  eighth 
  

   three 
  times 
  as 
  long 
  as 
  broad 
  ; 
  club 
  slender, 
  dark 
  in 
  colour, 
  formed 
  

   of 
  three 
  laxly-articulated 
  joints. 
  Rostrum 
  short 
  and 
  broad, 
  

   densely 
  covered 
  with 
  ashen 
  white 
  pubescence 
  ; 
  eyes 
  large, 
  convex, 
  

   strongly 
  convergent 
  in 
  front. 
  Thorax 
  convex, 
  gently 
  narrowed 
  in 
  

   front, 
  without 
  visible 
  sculpture, 
  black, 
  white 
  at 
  the 
  sides, 
  the 
  

   thoracic 
  carina 
  forming 
  a 
  curve 
  the 
  extremities 
  of 
  which 
  are 
  

   directed 
  towards 
  the 
  elytra, 
  continued 
  forwards 
  at 
  the 
  sides 
  in 
  

   an 
  acute 
  angle, 
  the 
  angle 
  itself, 
  however, 
  being 
  rounded. 
  Elytra 
  

   black, 
  with 
  a 
  large 
  number 
  of 
  ashen 
  white 
  marks, 
  forming 
  a 
  com- 
  

   plex 
  but 
  indefinite 
  pattern 
  ; 
  without 
  elevations. 
  Legs 
  black, 
  much 
  

   variegate 
  ; 
  femora 
  largely 
  covered 
  with 
  white 
  tomentum, 
  tibiae 
  

   with 
  a 
  very 
  broad 
  white 
  ring, 
  tarsi 
  much 
  variegate. 
  Under 
  

   surface 
  ashen 
  white 
  ; 
  prosternum 
  short, 
  middle 
  coxse 
  not 
  widely 
  

   separated. 
  

  

  There 
  is 
  no 
  other 
  species 
  at 
  all 
  like 
  this 
  one. 
  Only 
  

   one 
  pair 
  was 
  met 
  with 
  ; 
  at 
  Sapporo 
  and 
  Junsai. 
  

  

  Group 
  10. 
  Minute 
  insects 
  with 
  long 
  antennse 
  ; 
  thoracic 
  

   carina 
  forming 
  two 
  curves 
  ; 
  thorax 
  excised 
  behind 
  

   the 
  carina. 
  Species 
  22, 
  23. 
  

  

  