﻿806 
  Transactions 
  South 
  African 
  Philosophical 
  Society, 
  [vol. 
  xit. 
  

  

  Platychelus 
  pugionatus, 
  n. 
  spec. 
  

  

  Male 
  : 
  iEneous, 
  shining, 
  elytra 
  light 
  chestnut-brown, 
  and 
  clothed 
  

   on 
  the 
  prothorax, 
  the 
  pygidial 
  part, 
  the 
  under 
  side 
  and 
  legs, 
  with 
  

   very 
  long 
  and 
  dense 
  light 
  fulvous 
  hairs 
  ; 
  head 
  and 
  clypeus 
  granular, 
  

   clypeus 
  straight 
  laterally, 
  transverse 
  but 
  slightly 
  emarginate 
  in 
  front, 
  

   and 
  with 
  the 
  angles 
  sharp 
  but 
  not 
  projecting, 
  the 
  anterior 
  margin 
  is 
  

   reflexed 
  ; 
  prothorax 
  plainly 
  scabroso-punctate 
  in 
  the 
  anterior 
  half, 
  

   normally 
  punctate 
  in 
  the 
  posterior, 
  and 
  having 
  a 
  short, 
  shallow, 
  basal 
  

   longitudinal 
  furrow 
  ; 
  scutellum 
  moderately 
  short, 
  triangular, 
  clothed 
  

   with 
  fulvous 
  hairs 
  ; 
  elytra 
  not 
  very 
  deeply 
  sinuate 
  laterally 
  but 
  

   plainly 
  narrowed 
  towards 
  the 
  apex, 
  faintly 
  bi-costulate 
  on 
  each 
  side, 
  

   but 
  having 
  there 
  two 
  longitudinal 
  impressions, 
  they 
  are 
  irregu- 
  

   larly 
  punctulate, 
  and 
  nearly 
  glabrous 
  ; 
  pygidium 
  almost 
  sub-hori- 
  

   zontally 
  declivous 
  forwards 
  ; 
  anterior 
  tibiae 
  bi-dentate 
  outwardly, 
  

   hind 
  femora 
  robust 
  and 
  having 
  the 
  trochanters 
  produced 
  into 
  

   a 
  very 
  long 
  sub 
  -vertical 
  spine, 
  hind 
  tibiae 
  slender 
  in 
  propor- 
  

   tion 
  to 
  the 
  size 
  of 
  the 
  femora, 
  somewhat 
  flattened 
  underneath, 
  

   slightly 
  curved 
  and 
  ending 
  in 
  a 
  very 
  long, 
  spinose, 
  outer 
  mucro, 
  no 
  

   apical 
  spur 
  ; 
  claws 
  double, 
  unequal, 
  the 
  stronger 
  one 
  somewhat 
  

   slender. 
  

  

  Female 
  unknown. 
  

  

  This 
  is 
  the 
  only 
  Platychelus 
  having 
  spinose 
  trochanters. 
  

  

  Length 
  5 
  mm. 
  ; 
  width 
  3 
  mm. 
  

  

  Hab. 
  Cape 
  Colony 
  (Namaqualand). 
  

  

  Platychelus 
  dimidiatus, 
  Burm., 
  

   Handb. 
  d. 
  Entomol., 
  iv., 
  1, 
  p. 
  146. 
  

  

  Head 
  and 
  prothorax 
  shining 
  bronze 
  ; 
  legs 
  an^ 
  under 
  side 
  metallic 
  

   black, 
  shining 
  ; 
  elytra 
  light 
  testaceous, 
  somewhat 
  broadly 
  infuscate 
  

   laterally 
  in 
  the 
  male, 
  but 
  not 
  in 
  the 
  female, 
  pygidium 
  with 
  a 
  few 
  

   small 
  greyish 
  appressed 
  hairs 
  in 
  the 
  male, 
  densely 
  hairy 
  with 
  the 
  

   hairs 
  yellow 
  in 
  the 
  female 
  ; 
  head 
  very 
  scabrose 
  ; 
  clypeus 
  straight, 
  

   somewhat 
  bluntly 
  angular 
  laterally 
  and 
  covered 
  like 
  the 
  prothorax 
  

   with 
  a 
  villose 
  greyish 
  pubescence 
  ; 
  prothorax 
  deeply 
  scabroso- 
  

   punctate 
  ; 
  scutellum 
  with 
  greyish 
  villose 
  hairs 
  ; 
  elytra 
  slightly 
  

   impressed 
  longitudinally 
  along 
  the 
  suture, 
  but 
  not 
  costulate, 
  deeply 
  

   and 
  closely 
  punctured, 
  briefly 
  pubescent 
  and 
  having 
  on 
  each 
  side 
  

   a 
  faint 
  discoidal 
  band 
  of 
  greyish 
  white 
  hairs 
  somewhat 
  remote, 
  and 
  

   a 
  short 
  and 
  more 
  distinct 
  one 
  along 
  the 
  suture 
  in 
  the 
  posterior 
  part 
  ; 
  

   propygidium 
  and 
  abdominal 
  segments 
  covered 
  with 
  dense 
  whitish 
  

   squamose 
  hairs, 
  pectus 
  villose 
  ; 
  hind 
  legs 
  normal, 
  hind 
  claws 
  

   slender, 
  anterior 
  tibiae 
  bi-dentate. 
  

  

  