﻿^outii 
  American 
  S23ecies 
  of 
  Diabrotica. 
  461 
  

  

  Mas. 
  Tibiis 
  anticis 
  a 
  basi 
  ad 
  apicem 
  incrassatis, 
  tarsorum 
  anti- 
  

   corum 
  articulo 
  basali 
  ampliato, 
  transverso-quadrato. 
  

   Long. 
  5 
  mm. 
  

  

  Hah. 
  Bahia 
  ; 
  a 
  single 
  specimen. 
  

  

  Head 
  longer 
  than 
  broad 
  ; 
  clypeus 
  in 
  the 
  ^ 
  large, 
  subquadrate, 
  

   its 
  disk 
  smooth, 
  concave; 
  antenna 
  slender, 
  filiform, 
  the 
  second 
  

   joint 
  short, 
  oblong, 
  the 
  third 
  more 
  than 
  twice 
  its 
  length, 
  nearly 
  as 
  

   long 
  as 
  the 
  fourth, 
  pale 
  flavous, 
  the 
  five 
  outer 
  joints 
  black, 
  the 
  two 
  

   basal 
  ones 
  stained 
  above 
  with 
  piceous. 
  Thorax 
  broader 
  than 
  long 
  ; 
  

   sides 
  straight 
  and 
  nearly 
  parallel 
  from 
  the 
  base 
  to 
  beyond 
  the 
  

   middle, 
  thence 
  obliquely 
  converging 
  towards 
  the 
  apex 
  ; 
  upper 
  

   surface 
  very 
  finely 
  punctured, 
  the 
  punctures 
  only 
  visible 
  under 
  a 
  

   lens, 
  middle 
  disk 
  with 
  two 
  obliquely 
  placed 
  oblong 
  foveae. 
  Elytra 
  

   broadly 
  oblong, 
  dilated 
  posteriorly, 
  obtusely 
  rounded 
  at 
  the 
  apex 
  ; 
  

   above 
  convex, 
  slightly 
  excavated 
  on 
  the 
  suture 
  below 
  the 
  basilar 
  

   space, 
  distinctly 
  and 
  rather 
  closely 
  punctured. 
  [Baly.] 
  

  

  114. 
  Diabrotica 
  ([uadriplagiata, 
  Boh. 
  

   Eugen. 
  Ees., 
  p. 
  179. 
  

  

  Oblongo-ovata, 
  postice 
  ampliata, 
  convexa, 
  flava, 
  nitida, 
  pectore 
  

   scutello, 
  antennisque 
  extrorsum 
  nigris, 
  his 
  basi 
  apiceque 
  piceis, 
  

   abdomine 
  piceo-tincto 
  ; 
  thorace 
  quam 
  longo 
  latiori, 
  minute 
  punc- 
  

   tato, 
  utrinque 
  foveolato 
  ; 
  elytris 
  sat 
  crebre 
  punctatis, 
  fulvis, 
  utrisque 
  

   plaga 
  magna 
  subquadrata 
  a 
  basi 
  ad 
  medium 
  extensa, 
  interdum 
  

   disco 
  fulvo-notata, 
  alteraque 
  pone 
  medium, 
  subrotundata, 
  nigris. 
  

  

  Var. 
  A. 
  Ely 
  trorum 
  plaga 
  antica 
  nigra 
  intus 
  profunde 
  emargi- 
  

   nata. 
  

  

  Long. 
  5 
  — 
  6 
  mm. 
  

  

  Hob. 
  Brazil, 
  Rio 
  Janeiro, 
  Bahia. 
  

  

  Head 
  triangular 
  ; 
  clypeus 
  in 
  the 
  5 
  (the 
  only 
  sex 
  known 
  to 
  me) 
  

   not 
  longer 
  than 
  broad, 
  slightly 
  convex, 
  its 
  basal 
  portion 
  with 
  a 
  

   slightly 
  raised 
  longitudinal 
  ridge 
  ; 
  antennae 
  filiform, 
  the 
  second 
  

   joint 
  short, 
  oblong, 
  the 
  third 
  more 
  than 
  twice 
  its 
  length, 
  as 
  long 
  as 
  

   the 
  fourth; 
  the 
  two 
  lower 
  joints 
  piceous, 
  the 
  six 
  upper 
  ones, 
  the 
  

   basal 
  half 
  of 
  the 
  first 
  of 
  these 
  excepted, 
  black. 
  Thorax 
  nearly 
  one- 
  

   fourth 
  broader 
  than 
  long 
  ; 
  sides 
  nearly 
  straight 
  and 
  parallel 
  from 
  

   the 
  base 
  to 
  the 
  middle, 
  thence 
  rounded 
  and 
  converging 
  towards 
  the 
  

   apex 
  ; 
  upper 
  surface 
  finely 
  punctured, 
  disk 
  impressed 
  with 
  two 
  

   oblong 
  fovese, 
  placed 
  obliquely 
  on 
  either 
  side. 
  Elj^ra 
  broadly 
  

   oblong-ovate, 
  dilated 
  posteriorly, 
  their 
  apices 
  obtusely 
  rounded 
  ; 
  

   above 
  convex, 
  slightly 
  depressed 
  on 
  the 
  suture 
  below 
  the 
  basilar 
  

   space, 
  rather 
  strongly 
  punctured. 
  [Baly.] 
  

  

  