﻿470 
  Mr. 
  Charles 
  J. 
  Galian 
  on 
  the 
  

  

  147- 
  Diahrotica 
  hemixaiitJui, 
  Baly. 
  

  

  P. 
  Z.S., 
  1889, 
  p. 
  91. 
  

  

  Ovata, 
  postice 
  ampliata, 
  convexa, 
  nigra, 
  nitida, 
  femoribus 
  basi 
  

   et 
  subtus, 
  thorace 
  elytrorumque 
  dimidio 
  autico 
  flavis 
  ; 
  thorace 
  

   leviter 
  transversim 
  sulcato 
  ; 
  elytris 
  distiucte 
  punctatis 
  ; 
  punctis 
  

   apicem 
  versus 
  fere 
  deletis. 
  

  

  Var. 
  A. 
  Pedibus 
  totis 
  uigris. 
  

  

  Long. 
  6i 
  mm. 
  

  

  Hab. 
  Upper 
  Amazons 
  (Staudinger). 
  

  

  Head 
  slightly 
  longer 
  than 
  broad 
  ; 
  clypeus 
  convex, 
  the 
  longi- 
  

   tudinal 
  ridge 
  obsolete 
  ; 
  antennae 
  filiform, 
  rather 
  more 
  than 
  three- 
  

   fourths 
  the 
  length 
  of 
  the 
  body, 
  the 
  second 
  joint 
  short, 
  the 
  third 
  

   twice 
  its 
  length, 
  equally 
  as 
  long 
  as 
  the 
  fourth. 
  Thorax 
  rather 
  

   more 
  than 
  one 
  -half 
  broader 
  than 
  long 
  ; 
  sides 
  straight 
  and 
  parallel 
  

   from 
  the 
  base 
  to 
  just 
  beyond 
  the 
  middle, 
  thence 
  rounded 
  and 
  con- 
  

   verging 
  towards 
  the 
  apex 
  ; 
  upper 
  siu'face 
  smooth, 
  middle 
  disk 
  

   impressed 
  with 
  a 
  broad 
  transverse 
  sulcation. 
  Elytra 
  broadly 
  

   ovate, 
  dilated 
  posteriorly, 
  their 
  apices 
  conjointly 
  regularly 
  rounded 
  ; 
  

   above 
  convex, 
  distinctly 
  punctured, 
  the 
  punctures 
  below 
  the 
  

   middle 
  nearly 
  obsolete. 
  [Baly.] 
  

  

  148. 
  Diahrotica 
  sinlotliorax, 
  Harold. 
  

   Col., 
  Hefte 
  xiii., 
  p. 
  185. 
  

  

  Diahrotica 
  quadrivittata, 
  Baly, 
  Trans. 
  Ent. 
  Soc. 
  Lond., 
  

   3rd 
  ser., 
  ii., 
  p. 
  349. 
  

  

  149. 
  Diahrotica 
  lata, 
  Baly. 
  

   Trans. 
  Ent. 
  Soc. 
  Lond., 
  1886, 
  p. 
  451. 
  

   Hah. 
  Peru. 
  

  

  150. 
  Diahrotica 
  s 
  etifer 
  a, 
  Ba\y. 
  

   Trans. 
  Ent. 
  Soc. 
  Lond., 
  1879, 
  p. 
  257. 
  

   Hab. 
  Peru. 
  

  

  151. 
  Diahrotica 
  serraticornis, 
  Baly. 
  

   Journ. 
  Linn. 
  Soc, 
  xix., 
  p. 
  255. 
  

  

  Hah. 
  Colombia. 
  

  

  152. 
  Diahrotica 
  dilaticornis, 
  Biiiy. 
  

   Ann. 
  and 
  Mag. 
  Nat. 
  Hist., 
  5th 
  ser., 
  iii., 
  p. 
  81. 
  

   Hah. 
  Amazons. 
  

  

  