﻿450 
  Mr. 
  Charles 
  J. 
  Gahan 
  on 
  the 
  

  

  89. 
  Diahrotica 
  'perspicua, 
  Baly. 
  

  

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

  

  Oblongo-ovataj 
  postice 
  panllo 
  ampliata, 
  convexa, 
  flavo-fulva, 
  

   nitida, 
  antennis 
  nigris, 
  basi 
  piceis, 
  articulis 
  apicalibus 
  tribus, 
  

   illtimi 
  apice 
  exeepto, 
  fulvis 
  ; 
  tborace 
  transverso, 
  disco 
  late 
  tranB- 
  

   versim 
  impresso, 
  siilco 
  utrinque 
  dilatato 
  et 
  magis 
  fortiter 
  impresso; 
  

   elytris 
  crebre 
  punctatis, 
  nigris, 
  limbo 
  externo 
  fasciaque 
  prope 
  

   medium 
  flavo 
  -fulvis. 
  

  

  Var. 
  A. 
  Elytrorum 
  fascia 
  centrali 
  ad 
  suturam 
  abbreviata. 
  

  

  Long. 
  5^ 
  mm. 
  

  

  Hah. 
  Amazons, 
  Ega 
  (Bates). 
  

  

  Antennae 
  slender, 
  filiform, 
  rather 
  longer 
  than 
  the 
  body, 
  the 
  

   second 
  joint 
  short, 
  cylindrical, 
  the 
  third 
  nearly 
  twice 
  its 
  length, 
  

   the 
  fourth 
  slightly 
  longer 
  than 
  the 
  third 
  ; 
  the 
  four 
  lower 
  joints 
  

   piceous 
  or 
  pieeo-fulvous, 
  the 
  three 
  vipper 
  ones, 
  the 
  apex 
  of 
  the 
  

   eleventh 
  excepted, 
  fulvous, 
  the 
  rest 
  black. 
  Thorax 
  nearly 
  twice 
  as 
  

   broad 
  as 
  long; 
  sides 
  nearly 
  straight 
  and 
  parallel 
  from 
  the 
  base 
  to 
  

   the 
  middle, 
  thence 
  rounded 
  and 
  converging 
  towards 
  the 
  ai)ex 
  ; 
  disk 
  

   impressed 
  with 
  a 
  broad 
  transverse 
  sulcation, 
  which 
  is 
  dilated 
  on 
  

   either 
  side 
  into 
  a 
  large 
  shallow 
  fovea. 
  Elytra 
  broadly 
  oblong, 
  

   slightly 
  dilated 
  posteriorly, 
  regularly 
  rounded 
  at 
  the 
  apex, 
  convex, 
  

   transversely 
  depressed 
  below 
  the 
  basilar 
  space, 
  closely 
  and 
  finely 
  

   but 
  distinctly 
  punctured, 
  outer 
  disk 
  below 
  the 
  humeral 
  callus 
  

   longitudinally 
  grooved. 
  [Baly.] 
  

  

  90. 
  Diahrotica 
  alcyone, 
  Baly. 
  

  

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

  

  Late 
  ovata, 
  modice 
  convexa, 
  fulva, 
  nitida, 
  pedibus 
  (femoribus 
  

   apice 
  exceptis) 
  antennisque 
  piceo-nigris, 
  his 
  extrorsum 
  piceis 
  ; 
  

   thorace 
  transverso, 
  minute 
  subremote 
  punctato, 
  disco 
  bifoveolato; 
  

   elytris 
  tenuiter 
  sed 
  distincte 
  punctatis, 
  nigi'is, 
  limbo 
  externo 
  fascia- 
  

   que 
  prope 
  medium 
  fulvis. 
  

  

  Var. 
  A. 
  Elytrorum 
  fascia 
  discoidali 
  obsoleta. 
  

  

  Long. 
  6 
  mm. 
  

  

  Hah. 
  Amazons 
  (Bates). 
  

  

  Head 
  triangular 
  ; 
  clypeus 
  broader 
  than 
  long, 
  slightly 
  swollen 
  on 
  

   the 
  disk 
  ; 
  antennas 
  slender, 
  filiform, 
  the 
  second 
  joint 
  short, 
  oblong, 
  

   the 
  third 
  nearly 
  twice 
  its 
  length, 
  the 
  fourth 
  rather 
  longer 
  than 
  the 
  

   third 
  ; 
  the 
  four 
  or 
  five 
  lower 
  joints 
  nigro-piceous, 
  the 
  rest 
  pale 
  

   piceous. 
  Thorax 
  nearly 
  twice 
  as 
  broad 
  as 
  long 
  ; 
  sides 
  rather 
  

   broadly 
  margined, 
  parallel 
  and 
  sinuate 
  from 
  the 
  base 
  to 
  the 
  middle. 
  

  

  