﻿1902.] 
  Catalogue 
  of 
  the 
  Coleoptera 
  of 
  South 
  Africa. 
  757 
  

  

  and 
  less 
  broad 
  at 
  base, 
  and 
  besides 
  the 
  basal 
  inner 
  tooth 
  near 
  the 
  knee, 
  

   there 
  is 
  also 
  an 
  inner 
  moderately 
  raised 
  carina 
  somewhat 
  dentate 
  in 
  

   the 
  middle. 
  

  

  Female 
  : 
  I 
  do 
  not 
  know 
  the 
  female 
  of 
  this 
  species 
  which, 
  according 
  

   to 
  Burmeister, 
  has 
  only 
  a 
  few 
  scales 
  sprinkled 
  on 
  the 
  elytra. 
  

  

  Length 
  9-J- 
  mm. 
  ; 
  width 
  6 
  J 
  mm. 
  

  

  Hab. 
  Cape 
  Colony 
  (no 
  exact 
  locality). 
  

  

  Heterochelus 
  optivus, 
  n. 
  spec. 
  

  

  Male 
  : 
  Black, 
  with 
  the 
  scutellum, 
  elytra, 
  pygidium, 
  and 
  sides 
  of 
  the 
  

   abdomen 
  covered 
  with 
  bright 
  yellow 
  scales, 
  anterior 
  legs 
  rufescent 
  ; 
  

   clypeus 
  a 
  little 
  acuminate 
  and 
  very 
  sharply 
  tri-dentate 
  at 
  the 
  apex, 
  

   the 
  three 
  teeth 
  being 
  equal 
  in 
  size 
  ; 
  head 
  strongly 
  scabrose 
  ; 
  

   prothorax 
  with 
  a 
  distinct 
  longitudinal 
  median 
  impression 
  reaching 
  

   from 
  the 
  middle 
  to 
  the 
  base, 
  and 
  having 
  only 
  a 
  few 
  squamose 
  

   appressed 
  yellow 
  hairs 
  which 
  are 
  greatly 
  scattered 
  ; 
  scales 
  on 
  the 
  

   scutellum, 
  elytra, 
  and 
  pygidial 
  part 
  very 
  closely 
  set 
  ; 
  the 
  elytra 
  are 
  

   not 
  costulate 
  ; 
  hind 
  trochanters 
  very 
  sharply 
  spinose, 
  hind 
  femora 
  

   thick, 
  simple 
  but 
  with 
  the 
  angles 
  of 
  the 
  articulation 
  of 
  the 
  knee 
  

   sharp 
  ; 
  hind 
  tibiae 
  robust, 
  but 
  compressed 
  at 
  a 
  short 
  distance 
  from 
  

   the 
  basal 
  part 
  and 
  with 
  the 
  inferior 
  edge 
  slightly 
  bi-emarginate 
  and 
  

   ending 
  inwardly 
  at 
  apex 
  in 
  a 
  conspicuous 
  spine-like 
  mucro, 
  no 
  

   apical 
  spur 
  ; 
  hind 
  claws 
  simple, 
  single. 
  

  

  Female 
  unknown. 
  

  

  Length 
  3f 
  mm. 
  ; 
  width 
  2 
  mm. 
  

  

  Hab. 
  Cape 
  Colony 
  (Clanwilliam). 
  

  

  Heterochelus 
  anomalus, 
  Burm., 
  

   Handb. 
  d. 
  Entomol., 
  iv., 
  1, 
  p. 
  118. 
  

  

  Male 
  : 
  Black 
  ; 
  head 
  and 
  prothorax 
  with 
  the 
  normal 
  sculpture 
  and 
  

   vestiture 
  ; 
  scutellum 
  with 
  a 
  few 
  greyish 
  scales 
  ; 
  elytra 
  dark 
  

   chestnut-brown, 
  distinctly 
  ampliated 
  laterally 
  in 
  the 
  sub-humeral 
  

   part, 
  attenuate 
  from 
  there 
  towards 
  the 
  apex, 
  clothed 
  with 
  a 
  very 
  

   short, 
  appressed 
  greyish 
  pubescence, 
  and 
  having 
  along 
  the 
  suture 
  

   a 
  somewhat 
  obliterated 
  line 
  of 
  sub-flavescent 
  hairs 
  replaced 
  by 
  

   scales 
  on 
  the 
  apical 
  margins 
  ; 
  pygidium 
  and 
  edges 
  of 
  abdominal 
  

   segments 
  covered 
  with 
  yellow, 
  contiguous 
  scales 
  ; 
  hind 
  femora 
  

   robust, 
  simple, 
  but 
  with 
  the 
  outer 
  part 
  of 
  the 
  articulation 
  of 
  the 
  

   knee 
  developed 
  into 
  a 
  strongly 
  angular 
  tooth, 
  the 
  spine 
  of 
  the 
  

   trochanters 
  is 
  long 
  and 
  sharp 
  ; 
  the 
  hind 
  tibiae 
  are 
  unicarinate 
  

   underneath, 
  the 
  carina 
  being 
  prolonged 
  into 
  a 
  long, 
  curved 
  mucro, 
  

  

  