﻿434 
  Mr. 
  Charles 
  J. 
  Gahan 
  on 
  the 
  

  

  54. 
  Diahrotica 
  hrasiliensis, 
  Jacoby. 
  

   Notes 
  Leyden 
  Mus., 
  vol. 
  x. 
  (1888), 
  p. 
  156. 
  

   Hab. 
  Brazil. 
  

  

  55. 
  Diahrotica 
  dorsalis, 
  Jac. 
  

   Cist. 
  Ent., 
  ii., 
  p. 
  523. 
  

   Hah. 
  Peru. 
  

  

  56. 
  Diahrotica 
  alternata, 
  Baly. 
  

   Journ. 
  Linn. 
  Soc, 
  xix., 
  p. 
  244. 
  

   Hah. 
  Colombia. 
  

  

  57. 
  Diahrotica, 
  tcsniolata, 
  Gahan, 
  sp. 
  n. 
  

   Brunuea 
  ; 
  antennis 
  articulis 
  octavo 
  nonoque 
  sordide 
  albis 
  ; 
  -pvo- 
  

   thorace 
  transverse, 
  disco 
  puncfculato 
  et 
  bifoveolato 
  ; 
  elytris 
  crebre 
  

   fortiterque 
  pimctatis, 
  rufo-brunneis, 
  marginibus 
  externis 
  sutura 
  et 
  

   vitta 
  utrinqiie 
  ab 
  humero 
  descendente, 
  pallida 
  flavis 
  ; 
  feraoribus 
  

   basi 
  abdomiaisque 
  annulis 
  flavo-testaceis. 
  Long. 
  5| 
  mm. 
  

  

  Hah. 
  Peru. 
  

  

  This 
  species 
  may 
  be 
  placed 
  near 
  D. 
  alternata, 
  Baly, 
  

   from 
  which 
  it 
  is 
  to 
  be 
  distinguished 
  by 
  its 
  reddish 
  or 
  

   chocolate-brown 
  colour, 
  and 
  by 
  the 
  stronger 
  and 
  closer 
  

   punctuation 
  of 
  its 
  elytra. 
  In 
  alternata 
  the 
  legs 
  are 
  

   entirely 
  yellowish; 
  in 
  the 
  present 
  species 
  the 
  tibiae, 
  

   tarsi, 
  and 
  the 
  tips 
  of 
  the 
  femora 
  are 
  reddish 
  brown. 
  

  

  58. 
  Diahrotica 
  spHoptera, 
  Baly. 
  

   Journ. 
  Linn. 
  Soc, 
  xix., 
  p. 
  242. 
  

   Hah. 
  Colombia. 
  

  

  59. 
  Diahrotica 
  inceicollis 
  , 
  Bal3^ 
  

   Trans. 
  Ent. 
  Soc. 
  Lond., 
  1886, 
  p. 
  453. 
  

   Hah. 
  Amazons. 
  

  

  60. 
  Diahrotica 
  melanospila 
  , 
  Gahan, 
  n. 
  n. 
  

  

  Diahrotica 
  sjnloptera, 
  Baly, 
  P. 
  Z. 
  S., 
  1889, 
  p. 
  92. 
  

  

  Anguste 
  o^ata, 
  postice 
  ampliata, 
  couvexa, 
  nigra, 
  nitida 
  ; 
  femori- 
  

   bus, 
  abdomiue 
  (hoc 
  piceo 
  tiucto) 
  elytrisqiie 
  flavis; 
  his 
  distincte 
  

   minus 
  crebre 
  puuctatis, 
  iitriuque 
  plagis 
  tribus 
  prime 
  infra 
  basin 
  

  

  