﻿' 
  between 
  species 
  of 
  Lema 
  and 
  Diahrotica. 
  373 
  

  

  Habitat. 
  

  

  ' 
  Lema 
  biajimdaris, 
  Clark 
  Mexico 
  and 
  Guatemala. 
  

  

  ■ 
  Diabroticabianmtlaris,v. 
  Harold... 
  ,, 
  Guatemala, 
  and 
  

  

  Neobrotica 
  ornata, 
  J&c 
  „ 
  [Honduras. 
  

  

  f 
  Lema 
  ducalis, 
  Colombia. 
  

  

  \Diabrotica 
  elegantula,3ebly 
  ,, 
  

  

  I 
  Lema 
  semisepta, 
  Lac 
  South 
  Brazil. 
  

  

  \Diabrotica 
  ])iceosignata,'Qa].y 
  ,, 
  

  

  [■■'D. 
  zelota, 
  s^.n 
  ,, 
  

  

  fLema 
  trivirgata, 
  Lac, 
  var 
  Peru. 
  [Amazons. 
  

  

  [Diabrotica 
  boUviana, 
  v. 
  Harold 
  ... 
  ,, 
  Bolivia, 
  and 
  Upper 
  

  

  (Lema 
  Siiffriani, 
  J 
  ac 
  Costa 
  Rica. 
  

  

  ^ 
  Diabrotica 
  Q-maculata, 
  Jac 
  ,, 
  

  

  [Neobrotica 
  imitans, 
  JsiG 
  ,, 
  

  

  (Lema 
  bifida, 
  Oliv 
  Cayenne. 
  

  

  (Diabrotica 
  5-maGulata, 
  Fab 
  ,, 
  

  

  • 
  (Lema 
  mystica, 
  Lac, 
  var 
  South 
  Brazil. 
  

  

  [Diabrotica 
  ClarTcella', 
  Baly 
  ,, 
  

  

  (Lema 
  dia, 
  Baly 
  Amazons. 
  

  

  [Diabrotica 
  alcyone, 
  Baly 
  ,, 
  

  

  j 
  Lem,a 
  a'>nazo7ia, 
  'Balj 
  Upper 
  Amazons. 
  

  

  [ 
  j 
  Diabrotica 
  triplagiata, 
  Baly 
  ,, 
  

  

  \Letna 
  dimidiaticornis 
  , 
  de 
  Borre 
  ... 
  Mexico, 
  

   [Diabrotica 
  le]pida, 
  Say 
  ,, 
  

  

  I 
  Lema 
  crucifera, 
  Clark 
  Cayenne. 
  

  

  (ICerotoma 
  arcuata, 
  OHy 
  ,, 
  

  

  ■■' 
  This 
  species 
  may 
  be 
  briefly 
  characterised 
  as 
  follows 
  : 
  — 
  Head 
  

   and 
  hind 
  breast 
  black 
  ; 
  prothorax 
  transverse, 
  nitid, 
  testaceous 
  ; 
  

   elytra 
  yellowish, 
  with 
  the 
  siiture 
  anteriorly, 
  a 
  submarginal 
  band 
  on 
  

   each 
  extending 
  from 
  the 
  shoulder 
  to 
  near 
  the 
  apex, 
  and 
  a 
  small 
  

   spot 
  on 
  each 
  just 
  inside 
  the 
  hinder 
  extremity 
  of 
  the 
  lateral 
  band, 
  

   black. 
  Antennae 
  dark 
  brown, 
  with 
  the 
  scape 
  yellowish 
  brown, 
  and 
  

   three 
  or 
  four 
  of 
  the 
  apical 
  joints 
  pale 
  tawny 
  ; 
  with 
  the 
  third, 
  

   fourth, 
  and 
  fifth 
  joints 
  thickened 
  in 
  the 
  male. 
  Legs 
  tawny 
  ; 
  inter 
  

   mediate 
  tibiae 
  in 
  the 
  male 
  slightly 
  curved, 
  thickened 
  from 
  above 
  

   the 
  middle 
  to 
  the 
  discal 
  extremity 
  ; 
  intermediate 
  femora 
  in 
  the 
  

   male 
  each 
  with 
  a 
  small 
  tooth 
  a 
  Httle 
  below 
  the 
  middle 
  of 
  the 
  

   ventral 
  side. 
  Middle 
  legs 
  in 
  the 
  female 
  normal. 
  

  

  f 
  Dircema 
  fraterna, 
  Baly, 
  is 
  deceptively 
  like 
  Diabrotica 
  tri- 
  

   plagiata, 
  and 
  is 
  found 
  in 
  the 
  same 
  localities. 
  

  

  \ 
  The 
  genus 
  Cerotoma 
  is 
  nearly 
  allied 
  to 
  Diabrotica. 
  

  

  For 
  Explanation 
  of 
  Plate 
  XVII. 
  see 
  next 
  page. 
  

  

  2c2 
  

  

  