﻿1902.] 
  Catalogue 
  of 
  the 
  Coleoptera 
  of 
  South 
  Africa. 
  851 
  

  

  covered 
  with 
  dense, 
  long, 
  black 
  bristly 
  hairs, 
  sulcate 
  longitudinally 
  in 
  

   the 
  middle, 
  with 
  the 
  furrow 
  filled 
  with 
  greyish-white 
  scales 
  not 
  very 
  

   closely 
  set, 
  but 
  more 
  numerous 
  along 
  the 
  outer 
  margin, 
  especially 
  in 
  

   the 
  female 
  ; 
  scutellum 
  scaly 
  ; 
  elytra 
  elongate, 
  very 
  distinctly 
  attenuate 
  

   laterally 
  from 
  the 
  shoulders 
  towards 
  the 
  apex, 
  clothed 
  with 
  a 
  very 
  

   short, 
  slightly 
  greyish 
  pubescence, 
  not 
  dense 
  enough 
  to 
  conceal 
  the 
  

   somewhat 
  shagreened 
  background, 
  and 
  having 
  along 
  the 
  suture 
  a 
  

   partly 
  obliterated 
  series 
  pi 
  remote 
  ovate 
  white 
  scales, 
  a 
  few 
  of 
  which 
  

   are 
  also 
  sprinkled 
  on 
  the 
  posterior 
  part 
  of 
  the 
  disk, 
  each 
  elytron 
  has 
  

   two 
  costules 
  which 
  disappear 
  past 
  the 
  median 
  part 
  ; 
  in 
  the 
  female 
  the 
  

   sutural 
  band 
  of 
  white 
  scales 
  is 
  much 
  more 
  distinct, 
  and 
  there 
  is 
  a 
  

   similar 
  one 
  along 
  the 
  outer 
  margin 
  ; 
  propygidium, 
  pygidium, 
  and 
  under 
  

   side 
  covered 
  with 
  closely 
  set 
  scales, 
  white 
  in 
  the 
  male, 
  flavescent 
  in 
  

   the 
  female 
  ; 
  anterior 
  tibiae 
  bi-dentate 
  in 
  the 
  male, 
  but 
  with 
  a 
  very 
  

   small 
  third, 
  basal 
  tooth, 
  claws 
  of 
  anterior 
  and 
  intermediate 
  legs 
  

   simple 
  but 
  distinctly 
  cleft 
  at 
  the 
  tip 
  ; 
  hind 
  femora 
  very 
  robust, 
  

   simple, 
  but 
  with 
  the 
  trochanters 
  produced 
  into 
  a 
  long, 
  sharp 
  spine 
  ; 
  

   hind 
  tibiae 
  carinate 
  beneath, 
  the 
  carina 
  sharp, 
  strongly 
  angular 
  near 
  

   the 
  knee, 
  mucronate 
  inwardly 
  at 
  apex, 
  no 
  apical 
  spur 
  ; 
  claws 
  of 
  hind 
  

   legs 
  single, 
  simple. 
  

  

  Female 
  : 
  Like 
  the 
  male, 
  the 
  hind 
  tibiae, 
  however, 
  are 
  not 
  carinate 
  

   underneath, 
  but 
  the 
  apices 
  are 
  as 
  angular 
  and 
  mucronate 
  as 
  in 
  the 
  

   male. 
  

  

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

  

  Hab, 
  Cape 
  Colony 
  (Worcester, 
  Clanwilliam, 
  Namaqualand). 
  

  

  Gymnoloma 
  tibialis, 
  n. 
  spec. 
  

  

  Black, 
  with 
  the 
  prothorax 
  somewhat 
  metallic, 
  and 
  the 
  elytra 
  

   testaceous, 
  not 
  scaly 
  on 
  the 
  upper 
  side, 
  with 
  the 
  exception 
  of 
  a 
  few 
  

   scales 
  on 
  the 
  sides 
  of 
  the 
  prothorax 
  and 
  of 
  the 
  scutellum, 
  but 
  clothed 
  

   with 
  dense 
  scales 
  and 
  whitish 
  hairs 
  underneath 
  ; 
  clypeus 
  triangular 
  

   and 
  covered, 
  like 
  the 
  head, 
  with 
  long 
  hairs 
  ; 
  prothorax 
  very 
  densely 
  

   hairy, 
  the 
  hairs 
  erect, 
  closely 
  and 
  somewhat 
  roughly 
  punctured, 
  

   deeply 
  grooved 
  longitudinally 
  in 
  the 
  centre 
  ; 
  elytra 
  strongly 
  attenuate 
  

   laterally 
  from 
  the 
  base 
  to 
  the 
  apex, 
  and 
  having 
  on 
  each 
  side 
  two 
  

   conspicuous 
  longitudinal 
  impressions 
  separated 
  by 
  two 
  costae, 
  they 
  

   are 
  deeply 
  punctured, 
  the 
  punctures 
  are 
  somewhat 
  scattered 
  in 
  the 
  

   anterior 
  part, 
  but 
  denser 
  and 
  distinctly 
  granulose 
  behind, 
  from 
  these 
  

   punctures 
  spring 
  a 
  very 
  short, 
  blackish 
  bristle 
  ; 
  anterior 
  tibiae 
  bi- 
  

   dentate 
  outwardly 
  ; 
  hind 
  femora 
  swollen 
  inwardly 
  in 
  the 
  median 
  

   part, 
  obsoletely 
  grooved 
  underneath 
  near 
  the 
  base, 
  not 
  dentate 
  there 
  

   and 
  sub-mucronate 
  inwardly 
  at 
  the 
  tip 
  ; 
  femora 
  robust, 
  and 
  having 
  

  

  