﻿1902.] 
  Catalogue 
  of 
  the 
  Coleojptera 
  of 
  South 
  Africa. 
  739 
  

  

  Heterochelus 
  hospes, 
  n. 
  spec. 
  

  

  Male 
  : 
  Black, 
  with 
  the 
  elytra 
  covered 
  with 
  ochre-yellow 
  or 
  orange 
  

   scales 
  ; 
  prothorax 
  non-scaly, 
  pygidium 
  and 
  sides 
  of 
  abdomen 
  clothed 
  

   with 
  orange-yellow 
  scales 
  ; 
  the 
  body 
  has 
  a 
  massive 
  look 
  on 
  account 
  

   of 
  the 
  very 
  ampliated 
  metasternum 
  and 
  abdomen 
  ; 
  clypeus 
  distinctly 
  

   quadri-dentate, 
  the 
  four 
  teeth 
  being 
  of 
  equal 
  height 
  ; 
  prothorax 
  

   clothed 
  with 
  sparse, 
  decumbent, 
  very 
  short 
  greyish 
  hairs 
  ; 
  scutellum 
  

   densely 
  scaly 
  ; 
  elytra 
  non-costate, 
  but 
  with 
  the 
  impression 
  on 
  each 
  

   side 
  of 
  the 
  humeral 
  callus 
  somewhat 
  distinct, 
  diagonally 
  attenuate 
  

   from 
  near 
  the 
  shoulder 
  to 
  the 
  apex, 
  the 
  scales 
  are 
  round 
  and 
  

   contiguous 
  ; 
  hind 
  femora 
  thickened, 
  trochanters 
  produced 
  into 
  

   a 
  long, 
  falciform 
  spine, 
  curved 
  inwardly 
  but 
  reaching 
  as 
  far 
  as, 
  

   or 
  further 
  than 
  the 
  knee, 
  the 
  inner 
  tooth 
  of 
  which 
  is 
  slightly 
  

   prominent 
  ; 
  hind 
  tibiae 
  nearly 
  straight, 
  a 
  little 
  attenuate 
  inwardly 
  

   at 
  base, 
  moderately 
  thick 
  for 
  half 
  the 
  length, 
  somewhat 
  compressed 
  

   inwardly 
  from 
  the 
  median 
  part 
  to 
  the 
  apex 
  which 
  is 
  not 
  mucronate 
  

   inwardly, 
  and 
  has 
  a 
  very 
  distinct 
  apical 
  spur 
  ; 
  hind 
  claws 
  simple, 
  

   single. 
  

  

  Female 
  : 
  Like 
  the 
  male 
  but 
  with 
  the 
  elytra 
  redder-brown 
  and 
  

   clothed 
  with 
  squamose 
  hairs. 
  

  

  Length 
  4 
  mm. 
  ; 
  width 
  2f 
  mm. 
  

  

  Rah. 
  Cape 
  Colony 
  (Stellenbosch, 
  Tulbagh). 
  

  

  Heterochelus 
  sub-vittatus, 
  Burm., 
  

   Handb. 
  d. 
  Entomol., 
  iv., 
  1, 
  p. 
  99. 
  

  

  Black, 
  with 
  the 
  prothorax 
  clothed 
  with 
  squamose 
  hairs 
  turning 
  to 
  

   yellow 
  scales 
  in 
  the 
  posterior 
  part, 
  and 
  in 
  the 
  basal, 
  longitudinal 
  

   groove 
  ; 
  elytra 
  covered 
  with 
  closely 
  set 
  round 
  yellow 
  scales 
  which 
  

   are 
  paler 
  along 
  the 
  suture 
  and 
  between 
  the 
  first 
  and 
  second 
  slightly 
  

   raised 
  costae 
  ; 
  pygidium 
  covered 
  with 
  yellow 
  scales, 
  but 
  having 
  two 
  

   longitudinal 
  orange 
  bands 
  ; 
  legs 
  reddish 
  ; 
  head 
  sharply 
  quadri- 
  

   dentate, 
  the 
  teeth 
  of 
  equal 
  height, 
  but 
  the 
  two 
  median 
  ones 
  set 
  some- 
  

   what 
  closer 
  to 
  one 
  another 
  than 
  to 
  the 
  lateral 
  ones 
  ; 
  elytra 
  not 
  highly 
  

   costate, 
  but 
  the 
  costse 
  are 
  nevertheless 
  distinct 
  ; 
  the 
  scales 
  on 
  the 
  

   propygidium 
  are 
  of 
  the 
  same 
  orange 
  colour 
  as 
  the 
  two 
  lateral 
  bands 
  

   on 
  the 
  pygidium 
  ; 
  spine 
  of 
  the 
  trochanters 
  of 
  the 
  hind 
  femora 
  

   indistinct 
  or 
  projecting 
  very 
  slightly 
  only, 
  femora 
  simple 
  and 
  very 
  

   little 
  dentate 
  on 
  each 
  side 
  of 
  the 
  knee 
  ; 
  hind 
  tibiae 
  simple, 
  com- 
  

   pressed 
  inwardly 
  towards 
  the 
  apical 
  part 
  which 
  is 
  only 
  slightly 
  

   mucronate 
  inwardly 
  and 
  has 
  a 
  very 
  distinct 
  apical 
  spur 
  adjoining 
  

   the 
  mucro. 
  

  

  Female 
  : 
  Clypeus 
  also 
  sharply 
  quadri-dentate 
  ; 
  elytra 
  with 
  three 
  

  

  