﻿44 
  Mr. 
  Cameron 
  on 
  

  

  OXYBELUS 
  ARCiENTEOLINEATUS, 
  Sp. 
  nov. 
  

  

  Head 
  strongly 
  punctured, 
  closely 
  covered 
  (the 
  vertex 
  

   sparsely) 
  with 
  a 
  white 
  silvery 
  pubescence; 
  the 
  mandibles 
  

   yellow 
  at 
  the 
  base 
  ; 
  deeply 
  furrowed. 
  Front 
  ocellus 
  in 
  a 
  

   shallow 
  depression 
  ; 
  an 
  elongated 
  fovea 
  on 
  the 
  outer 
  side 
  

   of 
  the 
  posterior 
  near 
  the 
  eyes. 
  Antennae 
  black, 
  shortly 
  pilose, 
  

   stout 
  ; 
  the 
  third 
  joint 
  distinctly 
  longer 
  than 
  the 
  fourth. 
  

   Thorax 
  close 
  punctured, 
  the 
  pleur?e 
  almost 
  rugosely 
  ; 
  the 
  

   pronotum 
  above, 
  the 
  tubercles 
  and 
  metanotum 
  yellow. 
  

   Pronotum 
  above 
  transverse, 
  projecting, 
  the 
  sides 
  obliquely 
  

   curved. 
  Metanotum 
  without 
  laminx. 
  Median 
  segment 
  

   short, 
  semi-perpendicular 
  ; 
  the 
  base 
  with 
  short 
  stout 
  keels, 
  

   becoming 
  longer 
  towards 
  the 
  middle, 
  margined, 
  and 
  with 
  

   two 
  keels 
  which 
  run 
  down 
  to 
  the 
  apex 
  of 
  the 
  segment, 
  con- 
  

   verging 
  as 
  they 
  do 
  so. 
  Metapleurse 
  coarsely 
  shagreened, 
  the 
  

   base 
  hollowed, 
  shining, 
  and 
  impunctate. 
  Abdomen 
  punc- 
  

   tured 
  ; 
  the 
  segments 
  lined 
  densely 
  with 
  silvery 
  pubescence, 
  

   which 
  becomes 
  narrowed 
  in 
  the 
  centre; 
  pygidial 
  area 
  

   densely 
  covered 
  with 
  stiff 
  rufofulvous 
  depressed 
  pubescence. 
  

   Legs 
  densely 
  covered 
  with 
  silvery 
  pubescence 
  ; 
  the 
  tibiae 
  

   more 
  or 
  less 
  lined 
  with 
  black 
  behind 
  ; 
  the 
  short 
  stumpy 
  

   teeth 
  on 
  the 
  hind 
  tibiae 
  rufous. 
  The 
  recurrent 
  nervure 
  is 
  

   received 
  in 
  the 
  middle 
  of 
  the 
  radial 
  cellule, 
  and 
  is 
  slightly 
  

   curved 
  and 
  oblique. 
  Length 
  6 
  mm. 
  

  

  -^XYBELUS 
  LeWISI, 
  Sp. 
  710V. 
  

   Black, 
  densely 
  covered 
  with 
  a 
  short 
  silvery 
  pubescence 
  ; 
  

   the 
  punctuation 
  close, 
  moderately 
  strong 
  ; 
  the 
  mandibles, 
  

   tubercles, 
  tegulae 
  in 
  part, 
  two 
  elongated 
  marks 
  on 
  the 
  

   scutellum, 
  metanotum, 
  a 
  line 
  running 
  from 
  the 
  scutellum 
  

   and 
  metanotum 
  to 
  the 
  wings, 
  a 
  lateral 
  mark 
  on 
  abdominal 
  

   segments 
  i 
  — 
  5 
  and 
  the 
  knees, 
  tibiae 
  and 
  tarsi 
  in 
  front, 
  yellow, 
  

   wings 
  clear 
  hyaline, 
  the 
  nervures 
  pale 
  fulvous. 
  Ocelli 
  in 
  a 
  

   curve 
  ; 
  the 
  hinder 
  separated 
  from 
  the 
  eyes 
  by 
  the 
  length 
  of 
  

  

  