﻿South 
  American 
  species 
  of 
  Diahroticd. 
  441 
  

  

  articulis 
  apicalibus 
  quatuor, 
  ultimi 
  apice 
  excepto, 
  pallide 
  flavis 
  ; 
  

   thorace, 
  femoribusque 
  flavis, 
  his 
  dorso 
  nigro-lineatis 
  ; 
  thorace 
  

   obsolete 
  tri-impresso 
  ; 
  elytris 
  temiiter 
  sat 
  crebre 
  punctatis, 
  viridi- 
  

   seneis, 
  utrisque 
  limbo 
  externo, 
  maculis 
  duabus 
  infra 
  basin, 
  trans- 
  

   versim 
  positis, 
  fascia 
  curvata 
  vix 
  pone 
  medium, 
  utrinque 
  abbre- 
  

   viata, 
  maculaque 
  subapicali 
  ad 
  limbum 
  adfixa, 
  flavis. 
  

   Long. 
  11 
  mm. 
  

  

  Hah. 
  Banks 
  of 
  Napo. 
  

  

  Head 
  longer 
  than 
  broad, 
  v^edge-shaped 
  ; 
  clypeus 
  vpith 
  a 
  dis- 
  

   tinctly 
  elevated 
  longitudinal 
  ridge 
  ; 
  antennae 
  filiform, 
  more 
  than 
  

   half 
  the 
  length 
  of 
  the 
  body, 
  the 
  second 
  joint 
  short, 
  the 
  third 
  twice 
  

   its 
  length, 
  nearly 
  as 
  long 
  as 
  the 
  fourth; 
  black, 
  the 
  four 
  lov?er 
  joints 
  

   piceo-fulvous, 
  stained 
  above 
  vv^ith 
  nigro-piceous, 
  the 
  four 
  upper 
  

   ones, 
  the 
  apex 
  of 
  the 
  apical 
  one 
  excepted, 
  pale 
  flavous. 
  Thorax 
  

   twice 
  as 
  broad 
  as 
  long 
  ; 
  sides 
  straight 
  and 
  nearly 
  parallel 
  from 
  the 
  

   base 
  to 
  beyond 
  the 
  middle, 
  thence 
  obliquely 
  converging 
  towards 
  

   the 
  apex, 
  all 
  the 
  angles 
  slightly 
  produced, 
  acute 
  ; 
  disk 
  transversely 
  

   convex, 
  finely 
  but 
  subremotely 
  punctured; 
  disk 
  impressed 
  trans- 
  

   versely 
  on 
  either 
  side 
  with 
  a 
  shallow 
  oblong 
  fovea, 
  medial 
  line 
  

   impressed 
  at 
  the 
  base 
  with 
  a 
  short 
  longitudinal 
  groove. 
  Elytra 
  

   narrowly 
  oblong, 
  dilated 
  posteriorly, 
  regularly 
  rounded 
  conjointly 
  

   at 
  the 
  apex, 
  convex, 
  slightly 
  flattened 
  along 
  the 
  suture, 
  finely 
  and 
  

   rather 
  closely 
  punctured. 
  [Baly.] 
  

  

  74. 
  Diahrotica 
  Reichei, 
  sp. 
  n. 
  

  

  Diahrotica 
  glauconotata 
  (Keiche 
  MS.)' 
  

  

  Pallide-olivacea 
  ; 
  capite, 
  metathorace 
  tibiis 
  tarsisque 
  et 
  elytris 
  

   nigris, 
  his 
  Hmbo 
  externo 
  et 
  maculis 
  tribus 
  magnis 
  utrinque 
  flavo- 
  

   olivaceis, 
  antennis 
  articulis 
  2o 
  ad 
  6um 
  fuscis, 
  sequentibus 
  fiilvo- 
  

   ferrugineis; 
  pro 
  thorace 
  quam 
  longitudine 
  vix 
  latiore, 
  lateribus 
  sub- 
  

   parallelis, 
  medio 
  leviter 
  sinuatis 
  ; 
  dorso 
  leviter 
  convexo, 
  nitido, 
  

   obsolete 
  punctulatis, 
  elytris 
  oblongo-ovatis 
  dense 
  punctulatis. 
  Long. 
  

   9 
  mm. 
  

  

  Hah. 
  Ecuador 
  and 
  Colombia, 
  

  

  Head 
  black 
  ; 
  front 
  rather 
  short, 
  with 
  a 
  median 
  ridge 
  passing 
  

   from 
  the 
  raised 
  clypeal 
  margin 
  to 
  a 
  point 
  between 
  the 
  insertion 
  of 
  

   the 
  antennse. 
  Antennae 
  with 
  the 
  basal 
  joint 
  yellowish, 
  the 
  

   following 
  joints 
  to 
  the 
  sixth 
  dark 
  brown, 
  the 
  remaining 
  joints 
  

   fulvous 
  red 
  ; 
  with 
  the 
  third 
  joint 
  twice 
  as 
  long 
  as 
  the 
  second, 
  and 
  

   almost 
  equal 
  in 
  length 
  to 
  the 
  fourth. 
  Prothorax 
  almost 
  as 
  long 
  as 
  

   broad, 
  slightly 
  convex 
  on 
  the 
  disk, 
  glossy 
  and 
  obsoletely 
  punctu- 
  

  

  