﻿1902.] 
  Catalogue 
  of 
  the 
  Coleoptera 
  of 
  South 
  Africa. 
  705 
  

  

  Dichelus 
  laticollis, 
  Burm., 
  

  

  Plate 
  XLIL, 
  fig. 
  32. 
  

  

  Handb. 
  d. 
  Entomol., 
  iv., 
  1, 
  p. 
  111. 
  

  

  Black, 
  opaque, 
  with 
  the 
  anterior 
  tibiae 
  and 
  the 
  antennae 
  except 
  the 
  

   club 
  reddish, 
  the 
  propygidium 
  and 
  pygidium 
  are 
  nude, 
  and 
  the 
  

   abdominal 
  segments 
  have 
  an 
  upper 
  patch 
  of 
  similar 
  scales 
  ; 
  head 
  

   briefly 
  bristly, 
  the 
  two 
  median 
  teeth 
  of 
  the 
  clypeus 
  are 
  set 
  close 
  to 
  

   one 
  another, 
  the 
  prothorax 
  is 
  almost 
  glabrous 
  on 
  the 
  upper 
  side 
  but 
  

   bristly 
  laterally, 
  hardly 
  punctate 
  in 
  the 
  posterior 
  part, 
  not 
  densely 
  so 
  

   in 
  the 
  anterior, 
  and 
  it 
  is 
  less 
  narrowed 
  laterally 
  in 
  the 
  anterior 
  part 
  

   than 
  the 
  other 
  species 
  of 
  the 
  genus 
  ; 
  scutellum 
  not 
  scaly 
  ; 
  elytra 
  not 
  

   conspicuously 
  narrowed 
  laterally 
  towards 
  the 
  apex 
  owing 
  to 
  their 
  not 
  

   being 
  strongly 
  sinuate 
  below 
  the 
  humeral 
  part, 
  somewhat 
  convex, 
  and 
  

   callose 
  at 
  the 
  apex, 
  deeply 
  but 
  not 
  closely 
  seriate, 
  punctate 
  and 
  

   glabrous 
  ; 
  the 
  three 
  outer 
  teeth 
  of 
  the 
  anterior 
  tibiae 
  are 
  less 
  connate 
  

   at 
  the 
  base 
  than 
  in 
  the 
  other 
  species 
  of 
  the 
  genus, 
  and 
  the 
  two 
  upper 
  

   ones 
  are 
  a 
  little 
  more 
  oblique 
  ; 
  the 
  hind 
  femora 
  are 
  very 
  robust, 
  

   simple, 
  with 
  a 
  distinct 
  spine 
  to 
  the 
  trochanters, 
  the 
  hind 
  tibiae 
  are 
  

   deeply 
  emarginate 
  at 
  the 
  base 
  for 
  one-third 
  of 
  the 
  length 
  and 
  

   developed 
  from 
  there 
  into 
  a 
  broad 
  lamina, 
  dentate 
  on 
  each 
  side 
  

   at 
  the 
  base 
  and 
  produced 
  at 
  apex 
  into 
  a 
  very 
  long, 
  sub-transverse 
  

   inner 
  mucro. 
  

  

  Female 
  : 
  Like 
  the 
  male 
  but 
  still 
  more 
  glabrous 
  on 
  the 
  prothorax 
  ; 
  

   hind 
  tibiae 
  with 
  a 
  very 
  distinct 
  apical 
  spur. 
  

  

  Length 
  5J-7 
  mm. 
  ; 
  width 
  3J-4 
  mm. 
  

  

  Hab. 
  Cape 
  Colony 
  (Cape 
  Town, 
  Stellenbosch, 
  Caledon, 
  Heidel- 
  

   berg, 
  Malmesbury, 
  Clanwilliam). 
  < 
  

  

  Dichelus 
  denticeps, 
  Wiedem., 
  

  

  Plate 
  XLIL, 
  fig. 
  25. 
  

  

  Germ. 
  Magaz., 
  iv., 
  142. 
  

  

  Black, 
  with 
  the 
  elytra 
  and 
  legs 
  brick-red, 
  scaleless 
  except 
  on 
  the 
  

   scutellum, 
  and 
  having 
  a 
  narrow 
  band 
  of 
  yellowish 
  scales 
  on 
  the 
  edge 
  

   of 
  the 
  propygidium 
  and 
  on 
  the 
  sides 
  of 
  the 
  abdomen 
  ; 
  head 
  very 
  

   rugose 
  and 
  clothed 
  with 
  fulvous 
  hairs 
  somewhat 
  bristly 
  and 
  not 
  

   dense, 
  the 
  two 
  median 
  teeth 
  of 
  the 
  clypeus 
  are 
  nearly 
  obliterated, 
  

   and 
  the 
  outer 
  angles 
  are 
  proportionately 
  sharper 
  and 
  more 
  recurved 
  ; 
  

   prothorax 
  only 
  slightly 
  narrowed 
  laterally 
  towards 
  the 
  anterior 
  part, 
  

   scabroso-punctate 
  but 
  not 
  along 
  the 
  base, 
  the 
  punctures 
  bear 
  each 
  a 
  

   flavescent, 
  erect 
  hair 
  but 
  are 
  not 
  very 
  dense 
  ; 
  scutellum 
  somewhat 
  

   ogival 
  ; 
  elytra 
  a 
  little 
  convex, 
  normally 
  attenuate 
  laterally 
  below 
  the 
  

  

  45 
  

  

  