﻿1902.] 
  Catalogue 
  of 
  the 
  Coleoptera 
  of 
  South 
  Africa. 
  883 
  

  

  Nanaga 
  elegans, 
  n. 
  spec. 
  

  

  Male 
  : 
  Black, 
  opaque 
  on 
  the 
  upper 
  side, 
  slightly 
  metallic 
  under- 
  

   neath 
  and 
  on 
  the 
  legs, 
  prothorax 
  and 
  elytra 
  closely 
  and 
  distinctly 
  

   shagreened, 
  head 
  and 
  clypeus 
  strongly 
  scabrose 
  ; 
  antennae 
  also 
  

   black 
  but 
  with 
  the 
  club 
  slightly 
  rufescent 
  ; 
  prothorax 
  clothed 
  with 
  a 
  

   very 
  long, 
  ashy-grey, 
  erect 
  pubescence 
  ; 
  scutellum 
  pubescent 
  ; 
  elytra 
  

   very 
  briefly 
  pubescent, 
  the 
  pubescence 
  is 
  sub-erect 
  and 
  silky, 
  greyish 
  

   white 
  and 
  a 
  little 
  more 
  abundant 
  along 
  the 
  suture, 
  the 
  base 
  is 
  

   setulose 
  ; 
  pygidial 
  part, 
  abdomen, 
  and 
  pectus 
  clothed 
  with 
  a 
  greyish- 
  

   white 
  pubescence 
  ; 
  hind 
  femora 
  somewhat 
  robust, 
  hind 
  tibiae 
  shorter 
  

   than 
  the 
  femora, 
  dilated 
  at 
  the 
  apex, 
  and 
  having 
  a 
  long 
  apical 
  

   spur 
  ; 
  all 
  the 
  claws 
  are 
  double 
  and 
  unequal, 
  the 
  shorter 
  one 
  being 
  

   about 
  three-fourths 
  of 
  the 
  length 
  of 
  the 
  other, 
  which 
  is 
  cleft, 
  

   but 
  in 
  the 
  intermediate 
  legs 
  only 
  is 
  the 
  shorter 
  one 
  slightly 
  

   cleft. 
  

  

  Female 
  unknown. 
  

  

  Length 
  5J-6 
  mm. 
  ; 
  width 
  2^ 
  mm. 
  

  

  Hab. 
  Cape 
  Colony 
  (Stellenbosch). 
  

  

  Gen. 
  CYLICHNUS, 
  Burm., 
  

   Handb. 
  d. 
  Entomol., 
  iv., 
  1, 
  p. 
  171. 
  

  

  Mentum 
  slightly 
  longer 
  than 
  broad 
  but 
  very 
  broadly 
  ovate, 
  

   gradually 
  narrowed 
  at 
  the 
  apex 
  where 
  it 
  is 
  distinctly 
  tri-dentate 
  and 
  

   not 
  penicillate, 
  the 
  maxillae 
  are 
  short, 
  very 
  robust, 
  concave 
  at 
  apex 
  

   and 
  armed 
  there 
  with 
  four 
  very 
  strong 
  teeth 
  the 
  upper 
  one 
  of 
  which 
  

   is 
  deeply 
  bifid 
  ; 
  joints 
  of 
  labial 
  palpi 
  short, 
  robust, 
  apical 
  one 
  elon- 
  

   gate, 
  ovate, 
  last 
  joint 
  of 
  the 
  maxillary 
  nearly 
  as 
  long 
  as 
  the 
  two 
  

   preceding, 
  fusiform 
  outwardly 
  only 
  ; 
  clypeus 
  transverse, 
  slightly 
  

   concave 
  with 
  the 
  anterior 
  margin 
  reflexed, 
  nearly 
  straight 
  at 
  apex 
  

   and 
  with 
  the 
  outer 
  angles 
  slightly 
  rounded 
  ; 
  eyes 
  very 
  large 
  ; 
  

   antennae 
  nine-jointed, 
  club 
  long, 
  flabellate 
  ; 
  prothorax 
  nearly 
  twice 
  

   as 
  broad 
  as 
  long, 
  obliquely 
  attenuate 
  laterally 
  towards 
  the 
  anterior 
  

   part 
  for 
  more 
  than 
  half 
  the 
  length, 
  bi-sinuate 
  along 
  the 
  base 
  ; 
  elytra 
  

   a 
  little 
  longer 
  than 
  the 
  prothorax, 
  not 
  sinuate 
  or 
  attenuate 
  laterally 
  

   towards 
  the 
  apex, 
  and 
  not 
  very 
  convex 
  ; 
  pygidium 
  sub-vertical 
  in 
  the 
  

   male, 
  more 
  horizontal 
  in 
  the 
  female 
  ; 
  anterior 
  tibiae 
  tri-dentate 
  out- 
  

   wardly, 
  the 
  two 
  lower 
  teeth 
  are 
  set 
  very 
  close 
  to 
  the 
  apex, 
  the 
  basal 
  

   one 
  is 
  broadly 
  separated 
  from 
  the 
  others, 
  the 
  intermediate 
  one 
  is 
  set 
  at 
  

   right 
  angles 
  with 
  the 
  tibia, 
  and 
  there 
  is 
  no 
  apical 
  spur 
  ; 
  the 
  posterior 
  

   tibiae 
  are 
  compressed, 
  distinctly 
  bi-carinate 
  on 
  the 
  upper 
  side, 
  and 
  the 
  

   carinae 
  are 
  serrulate 
  ; 
  all 
  the 
  claws 
  are 
  double 
  and 
  unequal, 
  but 
  the 
  

  

  