﻿South 
  American 
  niiccies 
  of 
  Diahrotica. 
  411 
  

  

  F. 
  Ovate, 
  slightly 
  dilated 
  posteriorly. 
  Elytra 
  either 
  wholly 
  metallic- 
  

  

  blue 
  or 
  green, 
  or 
  with 
  longitudinal 
  fulvous 
  bands. 
  

   a. 
  Elytra 
  wholly 
  metallic-blue 
  or 
  green. 
  Species 
  54. 
  

   aa. 
  Elytra 
  metallic-blue 
  or 
  violet, 
  with 
  outer 
  margin 
  and 
  a 
  sutural 
  

  

  vitta, 
  posteiioiiy 
  abbreviate, 
  fulvous. 
  Species 
  65. 
  

   aaa. 
  Elytra 
  piceous 
  or 
  brown, 
  with 
  suture, 
  entire 
  outer 
  limb, 
  and 
  a 
  

   median 
  vitta 
  on 
  each 
  fulvous 
  or 
  yellowish. 
  Species 
  56, 
  57. 
  

  

  G. 
  Ovate 
  or 
  oblong-ovate, 
  dilated 
  posteriorly. 
  

  

  a. 
  Elytra 
  fulvous 
  or 
  yellowish, 
  with 
  black 
  or 
  brown 
  spots 
  or 
  lines. 
  

  

  b. 
  Elytra 
  with 
  spots 
  or 
  plagte. 
  

  

  c. 
  Prothorax 
  black 
  or 
  piceous. 
  Species 
  58 
  — 
  60. 
  

  

  cc. 
  Prothorax 
  wholly 
  or 
  partly 
  yellowish. 
  Species 
  61 
  — 
  64. 
  

  

  bb. 
  Elytra 
  with 
  longitudinal 
  lines 
  or 
  bands, 
  sometimes 
  also 
  with 
  spots 
  

  

  in 
  addition. 
  Species 
  65 
  — 
  67. 
  

   aa. 
  Elytra 
  iDiceous, 
  black 
  or 
  blue, 
  with 
  yellowish 
  or 
  fulvous 
  markings. 
  

  

  d. 
  Prothorax 
  wholly 
  or 
  partly 
  fulvous. 
  Species 
  68 
  — 
  -70. 
  

   Prothorax 
  black. 
  Species 
  71. 
  

  

  H. 
  Elongate-ovate, 
  feebly 
  dilated 
  posteriorly. 
  Elytra 
  black 
  or 
  brown, 
  

   with 
  yellowish 
  or 
  greenish 
  markings. 
  Species 
  72 
  — 
  74. 
  

  

  I. 
  Body 
  subelongate, 
  dilated 
  posteriorly. 
  Antennae 
  in 
  the 
  male 
  with 
  

   joints 
  3rd 
  to 
  5th 
  somewhat 
  thickened, 
  and 
  usually 
  more 
  or 
  

   less 
  elongated. 
  

  

  a. 
  Intermediate 
  tibite 
  in 
  the 
  male 
  normal. 
  Species 
  75. 
  

  

  aa. 
  Intermediate 
  tibiae 
  in 
  the 
  male 
  strongly 
  curved, 
  produced 
  into 
  a 
  

   tooth 
  at 
  the 
  apex 
  on 
  the 
  ventral 
  side. 
  Species 
  76. 
  

   aaa. 
  Intermediate 
  tibia; 
  in 
  the 
  male 
  incrassate 
  below, 
  the 
  incrassation 
  

   beginning 
  with 
  an 
  obtuse 
  tooth 
  or 
  angulation 
  placed 
  either 
  

   above 
  the 
  middle, 
  at 
  the 
  middle, 
  or 
  nearer 
  to 
  the 
  apex. 
  

  

  b. 
  The 
  incrassation 
  of 
  the 
  intermediate 
  tibiae 
  beginning 
  at 
  or 
  below 
  

  

  the 
  middle. 
  Species 
  77 
  — 
  81. 
  

   bb. 
  The 
  incrassation 
  of 
  the 
  intermediate 
  tibiae 
  beginning 
  above 
  the 
  

   middle. 
  Species 
  82, 
  83. 
  

  

  J. 
  Ovate 
  or 
  oblong-ovate, 
  dilated 
  posteriorly 
  ; 
  elytra 
  usually 
  black, 
  with 
  

   yellowish 
  fascise 
  or 
  vittse. 
  Species 
  84 
  — 
  98. 
  

  

  K. 
  Elytra 
  oblong-ovate, 
  distinctly 
  dilated 
  posteriorly, 
  strongly 
  convex, 
  

   their 
  apices 
  broadly 
  rounded 
  or 
  subtruncate. 
  Head 
  in 
  the 
  

   male 
  concave 
  or 
  excavated 
  in 
  front. 
  

   a. 
  Elytra 
  black 
  or 
  reddish 
  brown, 
  with 
  yellowish 
  bands. 
  

   6. 
  Epipleures 
  of 
  elytra 
  black. 
  

  

  c. 
  Elytra 
  with 
  feebly 
  or 
  obsoletely 
  raised 
  lines. 
  Species 
  99 
  — 
  103. 
  

   cc. 
  Elytra 
  without 
  raised 
  lines. 
  Species 
  104, 
  105. 
  

  

  bb. 
  Epipleures 
  of 
  elytra, 
  and 
  usually 
  also 
  the 
  entire 
  outer 
  limb, 
  

   yellowish. 
  

  

  d. 
  Punctuation 
  of 
  elytra 
  rather 
  coarse. 
  Species 
  106 
  — 
  108. 
  

   dd. 
  Punctuation 
  of 
  elytra 
  finer. 
  Species 
  109 
  — 
  114. 
  

  

  aa. 
  Elytra 
  yellowish, 
  with 
  black 
  bands 
  or 
  spots. 
  Species 
  115, 
  116. 
  

   aaa. 
  Elytra 
  entirely 
  yellowish 
  or 
  fulvous. 
  Species 
  117, 
  118. 
  

  

  L. 
  Ovate, 
  distinctly 
  dilated 
  posteriorly. 
  Elytra 
  subventricose, 
  strongly 
  

   convex 
  laosteriorly. 
  

   a. 
  Elytra 
  ampliate, 
  strongly 
  reticulate-corrugate. 
  Species 
  119. 
  

   aa. 
  Elytra 
  wrinkled 
  in 
  parts. 
  Species 
  12U, 
  121. 
  

   aaa. 
  Elytra 
  coarsely 
  rugulose-punctate. 
  Species 
  122 
  — 
  124. 
  

   aaaa. 
  Elytra 
  strongly 
  and 
  closely 
  punctured, 
  without 
  being 
  distinctly 
  

   rugose. 
  Species 
  125 
  — 
  127. 
  

   aaaaa. 
  Elytra 
  less 
  strongly 
  and 
  less 
  closely 
  punctured, 
  nitid. 
  Species 
  

   128—130. 
  

  

  