﻿766 
  Transactions 
  South 
  African 
  Philosophical 
  Society, 
  [vol. 
  xii. 
  

  

  dium 
  is 
  very 
  inflexed, 
  the 
  hind 
  legs 
  are 
  moderately 
  robust, 
  the 
  hind 
  

   femora 
  and 
  tibiae 
  are 
  simple, 
  the 
  latter 
  are 
  a 
  little 
  emarginate 
  under- 
  

   neath 
  near 
  the 
  knee, 
  not 
  mucronate 
  at 
  apex, 
  and 
  have 
  a 
  distinct 
  

   apical 
  spur 
  ; 
  hind 
  claw 
  single, 
  simple. 
  

  

  Female 
  unknown. 
  

  

  Length 
  4 
  mm. 
  ; 
  width 
  2 
  mm. 
  

  

  Hab. 
  Cape 
  Colony 
  (no 
  exact 
  locality). 
  

  

  Heterochelus 
  dissidens, 
  n. 
  spec. 
  

  

  Male 
  : 
  Black, 
  with 
  only 
  the 
  elytra 
  and 
  the 
  scutellum 
  covered 
  with 
  

   deep 
  orange 
  scales 
  ; 
  head 
  and 
  prothorax 
  very 
  scabrose, 
  and 
  clothed 
  

   with 
  a 
  short 
  but 
  dense, 
  erect, 
  black 
  pubescence, 
  clypeus 
  acuminate 
  

   and 
  produced 
  at 
  apex 
  into 
  two 
  sharp, 
  triangular, 
  reflexed 
  teeth 
  ; 
  pro- 
  

   thorax 
  Avith 
  a 
  median 
  longitudinal 
  furrow 
  disappearing 
  on 
  the 
  anterior 
  

   part 
  ; 
  scutellum 
  covered 
  with 
  scales, 
  which 
  are 
  brighter 
  yellow 
  

   than 
  those 
  on 
  the 
  elytra, 
  where 
  they 
  are 
  very 
  small 
  and 
  set 
  very 
  

   close 
  to 
  each 
  other, 
  the 
  suture, 
  however, 
  is 
  without 
  scales 
  ; 
  the 
  elytra 
  

   are 
  elongate, 
  sub-parallel, 
  not 
  distinctly 
  costate, 
  and 
  have 
  on 
  each 
  side 
  

   three 
  longitudinal 
  rows 
  of 
  very 
  short, 
  remote, 
  black 
  bristles, 
  as 
  well 
  

   as 
  a 
  similar 
  row 
  along 
  the 
  suture 
  ; 
  the 
  propygidium, 
  pygidium, 
  sides 
  

   of 
  abdomen 
  and 
  legs 
  are 
  briefly 
  and 
  not 
  densely 
  setulose 
  ; 
  the 
  tro- 
  

   chanters 
  of 
  the 
  hind 
  legs 
  are 
  non-spinose, 
  the 
  hind 
  femora 
  are 
  not 
  

   very 
  swollen 
  and 
  are 
  simple, 
  even 
  on 
  each 
  side 
  of 
  the 
  knee, 
  the 
  hind 
  

   tibise 
  are 
  nearly 
  as 
  long 
  as 
  the 
  femora 
  and 
  also 
  quite 
  simple, 
  gradually 
  

   dilated 
  from 
  base 
  to 
  apex, 
  not 
  concave 
  inwardly, 
  strongly 
  angular 
  on 
  

   each 
  side 
  of 
  the 
  apical 
  part, 
  but 
  not 
  mucronate, 
  and 
  there 
  is 
  a 
  long, 
  

   apical 
  spur 
  ; 
  hind 
  claws 
  double, 
  the 
  inner 
  slender, 
  cleft 
  and 
  only 
  half 
  

   the 
  length 
  of 
  the 
  other, 
  which 
  is 
  very 
  robust 
  and 
  simple. 
  

  

  Female 
  : 
  Clypeus 
  also 
  strongly 
  bi-dentate, 
  but 
  not 
  as 
  sharply 
  as 
  

   in 
  the 
  male 
  ; 
  the 
  prothorax 
  is 
  clothed 
  with 
  longer 
  grey 
  hairs 
  ; 
  the 
  

   scales 
  on 
  the 
  elytra 
  are 
  more 
  lemon-colour, 
  the 
  two 
  costae 
  on 
  each 
  

   side 
  are 
  quite 
  distinct 
  and 
  usually 
  denuded, 
  and 
  the 
  pygidium 
  and 
  

   abdomen 
  are 
  hairy. 
  

  

  Length 
  6-7^ 
  mm. 
  ; 
  width 
  3|~4 
  mm. 
  

  

  Hab. 
  Cape 
  Colony 
  (Worcester). 
  

  

  The 
  shape 
  of 
  the 
  clypeus 
  resembles 
  a 
  little 
  that 
  of 
  Mitrophorus 
  

   ateuclioides. 
  

  

  Heterochelus 
  (Ischnochelus) 
  sulcatus, 
  Burm., 
  

   Handb. 
  d. 
  Entomol., 
  iv., 
  1, 
  1844, 
  p. 
  129. 
  

  

  Allied 
  to 
  Heterochelus 
  minutus, 
  which 
  it 
  very 
  much 
  resembles 
  ; 
  the 
  

   colour 
  and 
  sculpture 
  are 
  identical, 
  but 
  the 
  general 
  facies 
  is 
  a 
  little 
  

  

  