﻿432 
  Mr. 
  Charles 
  J. 
  Gahan 
  on 
  the 
  

  

  48. 
  Diabrotica 
  flavocincta, 
  Baly. 
  

   Journ. 
  Linn. 
  Soc, 
  xix., 
  p. 
  235. 
  

   Hab. 
  Colombia. 
  

  

  49. 
  Diabrotica 
  Staudingeri, 
  Baly. 
  

   Ent. 
  Mo. 
  Mag., 
  xxv., 
  p. 
  254. 
  

  

  Elongata, 
  postice 
  vix 
  ampliata, 
  modice 
  convexa, 
  nigra, 
  nitida 
  ; 
  

   femoribus, 
  thoracis 
  superficie 
  inferiori 
  lateribusque 
  elytrorumque 
  

   limbo 
  externo 
  apice 
  ampliato, 
  flavo-albidis 
  ; 
  thorace 
  quam 
  longo 
  

   vix 
  latiori, 
  fortiter 
  punctato, 
  disco 
  obsolete 
  excavato 
  ; 
  elytris 
  

   anguste 
  oblongis, 
  subcrebre 
  fortiter 
  punctatis. 
  

  

  Long. 
  9 
  ram. 
  

  

  Hab. 
  Colombia, 
  Cauca 
  ; 
  a 
  single 
  specimen. 
  

  

  Head 
  triangular, 
  not 
  longer 
  than 
  broad; 
  clypeus 
  with 
  a 
  strongly 
  

   raised 
  longitudinal 
  ridge 
  ; 
  antennse 
  slender, 
  filiform, 
  nearly 
  equal 
  

   to 
  the 
  body 
  in 
  length, 
  the 
  second 
  joint 
  shorter, 
  the 
  third 
  twice 
  its 
  

   length, 
  nearly 
  as 
  long 
  as 
  the 
  fourth, 
  the 
  basal 
  joint 
  i^iceous 
  

   beneath, 
  the 
  roots 
  black. 
  Thorax 
  only 
  slightly 
  broader 
  than 
  long 
  ; 
  

   sides 
  rounded 
  before 
  the 
  middle, 
  sinuate 
  behind 
  the 
  latter, 
  the 
  

   anterior 
  angles 
  thickened, 
  obtuse, 
  the 
  hinder 
  ones 
  subacute 
  ; 
  upper 
  

   surface 
  convex, 
  obsoletely 
  excavated 
  on 
  the 
  middle 
  disk, 
  coarsely 
  

   punctured 
  ; 
  the 
  extreme 
  lateral 
  border 
  yellowish 
  white. 
  Elvira 
  

   narrowly 
  oblong, 
  scarcely 
  dilated 
  posteriorly, 
  their 
  apices 
  con- 
  

   jointly 
  regularly 
  rounded; 
  above 
  moderately 
  convex, 
  strongly 
  

   punctured 
  ; 
  subhumeral 
  ridge 
  obsoletely 
  elevated, 
  bounded 
  within 
  

   by 
  a 
  broad 
  shallow 
  sulcation. 
  [Baly.] 
  

  

  50. 
  Diabrotica 
  limbatipennis, 
  Baly. 
  

   P. 
  Z. 
  S., 
  1889, 
  p. 
  93. 
  

  

  Subelongata, 
  postice 
  vix 
  ampliata, 
  convexa, 
  nigra, 
  nitida 
  ; 
  femori- 
  

   bus 
  basi 
  elytrorumque 
  limbo 
  externo 
  flavo-albidis; 
  thorace 
  quam 
  

   longo 
  fere 
  duplo 
  latiori, 
  dorso 
  vix 
  pone 
  medium 
  bifoveolato 
  ; 
  elytris 
  

   sat 
  crebre 
  punctatis, 
  punctis 
  apicem 
  versus 
  minus 
  fortiter 
  im- 
  

   pressis, 
  cteruleo-nigris, 
  limbo 
  externo 
  late 
  albidis. 
  

  

  Long. 
  4:^ 
  mm. 
  

  

  Hab. 
  Brazil, 
  New 
  Friburg. 
  

  

  Head 
  triangular, 
  not 
  longer 
  than 
  broad 
  ; 
  clypeus 
  with 
  a 
  strouglj- 
  

   raised 
  longitudinal 
  ridge 
  ; 
  sides 
  vaguely 
  punctured 
  ; 
  antenmp 
  

   filiform, 
  nearly 
  equal 
  to 
  the 
  body 
  in 
  length, 
  the 
  second 
  joint 
  

  

  