﻿South 
  American 
  species 
  of 
  Diahrotica. 
  455 
  

  

  from 
  the 
  base 
  to 
  just 
  beyond 
  the 
  middle, 
  thence 
  very 
  slightly 
  con- 
  

   verging 
  towards 
  the 
  apex 
  ; 
  disk 
  transversely 
  convex, 
  slightly 
  flat- 
  

   tened 
  on 
  the 
  middle, 
  impressed 
  on 
  either 
  side 
  with 
  a 
  large, 
  very 
  

   shallow, 
  ill-defined 
  fovea, 
  the 
  anterior 
  and 
  hinder 
  angles 
  slightly 
  

   produced, 
  the 
  former 
  obtuse, 
  the 
  latter 
  subacute. 
  Elytra 
  dilated 
  

   posteriorly, 
  broadly 
  rounded 
  at 
  the 
  apices, 
  rather 
  broadly 
  mar- 
  

   gined, 
  moderately 
  convex, 
  flattened 
  along 
  the 
  suture, 
  transversely 
  

   excavated 
  below 
  the 
  basilar 
  space, 
  very 
  finely 
  and 
  distantly 
  punc- 
  

   tured. 
  [Baly.] 
  

  

  98. 
  Diahrotica 
  discrepans, 
  Baly. 
  

   P. 
  Z. 
  S., 
  1889, 
  p. 
  94. 
  

  

  Oblongo-ovata, 
  postice 
  paullo 
  ampHata, 
  convexa, 
  nigra, 
  nitida, 
  

   thorace 
  capiteqiie 
  sordide 
  rufis, 
  pedibus 
  antennisque 
  flavis, 
  his 
  

   apice 
  piceis 
  ; 
  thorace 
  quana 
  longo 
  plus 
  dimidio 
  latiori, 
  minute 
  sed 
  

   distincte 
  punctato, 
  disco 
  sulco 
  semilunato, 
  medio 
  ramulo 
  fere 
  ad 
  

   basin 
  emittente, 
  impresso 
  ; 
  elytris 
  subcrebre 
  punctatis, 
  limbo 
  

   externo 
  ante 
  medium 
  limbo 
  apicali, 
  fasciaque 
  prope 
  medium 
  flavis, 
  

  

  FcEM, 
  Clypeo 
  quam 
  longo 
  latiori, 
  medio 
  sat 
  fortiter 
  elevato- 
  

   vittato. 
  

  

  Long. 
  2J 
  lin. 
  

  

  Hah. 
  Ecuador 
  (Buckley). 
  

  

  Clypeus 
  broader 
  than 
  long 
  in 
  the 
  ? 
  (the 
  only 
  sex 
  known 
  to 
  me), 
  

   divided 
  in 
  the 
  medial 
  line; 
  wdiich 
  extends 
  downwards 
  nearly 
  to 
  the 
  

   apical 
  margin 
  ; 
  antennae 
  filiform, 
  the 
  second 
  joint 
  short, 
  oblong, 
  

   the 
  third 
  nearly 
  twice 
  its 
  length, 
  the 
  fourth 
  slightly 
  longer 
  ; 
  flavous, 
  

   the 
  apical 
  joint 
  stained 
  with 
  piceous. 
  Thorax 
  more 
  than 
  one-half 
  

   broader 
  than 
  long 
  ; 
  sides 
  rather 
  broadly 
  margined, 
  nearly 
  straight 
  

   and 
  parallel 
  from 
  the 
  base 
  to 
  jixst 
  beyond 
  the 
  middle, 
  thence 
  con- 
  

   verging 
  towards 
  the 
  apex 
  ; 
  upper 
  surface 
  finely 
  pimctured, 
  disk 
  

   impressed 
  with 
  a 
  curved 
  broad 
  but 
  ill- 
  defined 
  sulcatiou, 
  its 
  con- 
  

   cavity 
  looking 
  forwards 
  ; 
  from 
  its 
  middle 
  a 
  short 
  longitudinal 
  

   space 
  runs 
  backwards 
  nearly 
  to 
  the 
  basal 
  naargin. 
  Elytra 
  sub- 
  

   quadrate-ovate, 
  dilated 
  posteriorly, 
  convex, 
  rather 
  closely 
  punc- 
  

   tured 
  ; 
  the 
  anterior 
  half 
  of 
  the 
  outer 
  limb, 
  the 
  apical 
  margin, 
  and 
  a 
  

   transverse 
  band 
  across 
  the 
  middle, 
  pale 
  flavous, 
  [Baly.] 
  

  

  99. 
  Diahrotica 
  mimula, 
  Harold. 
  

   Coleopt., 
  Hefte 
  xiii., 
  p. 
  92. 
  

  

  Hah. 
  Colombia. 
  

  

  