﻿332 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.96 
  

  

  few 
  long, 
  erect 
  liairs 
  intermixed, 
  and 
  each 
  elytron 
  ornamented 
  with 
  a 
  

   narrow 
  vitta 
  of 
  transversely 
  recumbent, 
  white 
  hairs 
  along 
  sutural 
  

   margin. 
  

  

  Body 
  beneath 
  indistinctly 
  punctate, 
  sparsely 
  clothed 
  at 
  sides 
  with 
  

   short, 
  recumbent, 
  whitish 
  hairs 
  ; 
  legs 
  sparsely 
  clothed 
  with 
  long 
  and 
  

   short, 
  semierect, 
  white 
  hairs. 
  

  

  Length 
  11 
  mm., 
  width 
  2 
  mm. 
  

  

  Ti/pe 
  locality. 
  — 
  Hamburg 
  Farm 
  (on 
  Keventazon 
  River) 
  , 
  Costa 
  Rica. 
  

  

  Type.—V.S.'NM. 
  No. 
  57614. 
  

  

  Remarks. 
  — 
  Described 
  from 
  a 
  single 
  specimen 
  collected 
  at 
  the 
  type 
  

   locality 
  on 
  grass, 
  May 
  26, 
  1934, 
  by 
  Ferdinand 
  Nevermann. 
  

  

  This 
  species 
  can 
  be 
  separated 
  from 
  the 
  other 
  described 
  species 
  of 
  

   this 
  genus 
  by 
  having 
  the 
  tips 
  of 
  the 
  elytra 
  emarginate. 
  

  

  COMETES 
  BICOLOR, 
  new 
  species 
  

  

  Elongate, 
  rather 
  strongly 
  shining 
  except 
  elytra 
  which 
  are 
  sub- 
  

   opaque; 
  antennae 
  bluish 
  black 
  with 
  a 
  vague 
  violaceous 
  reflection; 
  

   head, 
  pronotum, 
  scutellum, 
  underside 
  of 
  body, 
  and 
  legs 
  bluish 
  black 
  

   with 
  a 
  distinct 
  greenish 
  or 
  violaceous 
  tinge; 
  elytra 
  brownish 
  yellow 
  

   with 
  apical 
  fourth 
  and 
  elevated 
  lateral 
  margins 
  violaceous 
  blue. 
  

  

  Head 
  rather 
  coarsely, 
  irregularly 
  punctate 
  on 
  top, 
  somewhat 
  trans- 
  

   versely 
  rugose 
  anteriorly, 
  with 
  a 
  smooth, 
  longitudinal 
  groove 
  extend- 
  

   ing 
  from 
  clypeus 
  to 
  occiput, 
  very 
  sparsely 
  clothed 
  with 
  inconspicuous, 
  

   semierect 
  hairs. 
  Antenna 
  nearly 
  one 
  and 
  one-half 
  times 
  as 
  long 
  as 
  

   body, 
  sparsely 
  clothed 
  on 
  underside 
  with 
  long, 
  flying 
  hairs 
  ; 
  first 
  seg- 
  

   ment 
  as 
  long 
  as 
  third, 
  slender, 
  cylindrical, 
  narrow 
  at 
  base, 
  strongly 
  

   expanded 
  toward 
  apex, 
  rather 
  densely, 
  coarsely, 
  shallowly 
  punctate, 
  

   sparsely, 
  uniformly 
  clothed 
  with 
  short, 
  semierect, 
  whitish 
  hairs. 
  

  

  Pronotum 
  slightly 
  wider 
  than 
  long, 
  widest 
  at 
  middle 
  ; 
  sides 
  strongly 
  

   constricted 
  near 
  base 
  and 
  apex, 
  obtusely 
  expanded 
  on 
  each 
  side 
  at 
  mid- 
  

   dle 
  but 
  not 
  spinose 
  ; 
  disk 
  broadly, 
  transversely 
  depressed 
  near 
  anterior 
  

   margin, 
  shallowly, 
  transversely, 
  sinuately 
  grooved 
  near 
  base, 
  nar- 
  

   rowly, 
  transversely 
  grooved 
  along 
  base, 
  with 
  two 
  irregular, 
  smooth 
  

   elevations 
  on 
  each 
  side 
  of 
  middle, 
  and 
  an 
  elongate, 
  smooth, 
  median 
  

   elevation; 
  surface 
  coarsely, 
  deeply, 
  confluently 
  punctate, 
  sparsely 
  

   clothed 
  with 
  moderately 
  long, 
  erect, 
  inconspicuous 
  hairs. 
  

  

  Elytra 
  at 
  base 
  as 
  wide 
  as 
  pronotum 
  at 
  middle; 
  sides 
  parallel 
  from 
  

   bases 
  to 
  near 
  apices, 
  which 
  are 
  separately 
  narrowly 
  rounded 
  ; 
  surface 
  

   densely, 
  coarsely, 
  deeply, 
  uniformly 
  punctate, 
  the 
  punctures 
  becom- 
  

   ing 
  more 
  confluent 
  toward 
  apices, 
  rather 
  densely 
  clothed 
  with 
  short, 
  

   inconspicuous, 
  erect 
  hairs, 
  and 
  each 
  elytron 
  with 
  two 
  more 
  or 
  less 
  dis- 
  

   tinct 
  longitudinal 
  costae, 
  the 
  inner 
  costa 
  extending 
  from 
  base 
  to 
  mid- 
  

   dle 
  of 
  elytron, 
  and 
  outer 
  one 
  from 
  base 
  to 
  apical 
  fourth. 
  

  

  Body 
  beneath 
  sparsely, 
  shallowly, 
  irregularly 
  punctate, 
  sparsely, 
  

   irregularly 
  clothed 
  with 
  moderately 
  long, 
  semierect, 
  fine 
  hairs; 
  legs 
  

   rather 
  densely 
  clothed 
  with 
  long 
  and 
  short, 
  semierect, 
  whitish 
  hairs. 
  

  

  