﻿342 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  

  

  face 
  more 
  or 
  less 
  purplish, 
  the 
  genae 
  flecked 
  with 
  yellowish 
  green 
  and 
  

   with 
  black; 
  vertex 
  moderately 
  arched, 
  feebly 
  elevated 
  above 
  the 
  pro- 
  

   notum, 
  the 
  interspace 
  between 
  the 
  eyes 
  a 
  little 
  broader 
  than 
  (male) 
  or 
  

   nearly 
  twice 
  as 
  broad 
  as 
  (female) 
  the 
  first 
  antennal 
  joint; 
  fastigium 
  

   rather 
  shallow, 
  but 
  with 
  distinct 
  blunt 
  bounding 
  walls, 
  which 
  have 
  a 
  

   subo^ate 
  outline; 
  frontal 
  costa 
  fully 
  as 
  broad 
  as 
  the 
  interspace 
  between 
  

   the 
  eyes, 
  slightly 
  compressed 
  above, 
  sulcate 
  at 
  and 
  below 
  the 
  ocellus, 
  

   laterally 
  punctulate 
  above; 
  eyes 
  rather 
  prominent, 
  a 
  little 
  longer 
  than 
  

   theinfraoculari)ortiouof 
  the 
  genae; 
  antennae 
  reddish 
  at 
  the 
  base, 
  becom- 
  

   ing 
  more 
  and 
  more 
  fuscous 
  apically, 
  about 
  four-fifths 
  (male) 
  or 
  two- 
  

   thirds 
  (female) 
  as 
  long 
  as 
  the 
  hind 
  femora. 
  Pronotum 
  pretty 
  uniform, 
  

   scarcely 
  expanding 
  on 
  the 
  metazona, 
  which 
  is 
  only 
  slightly 
  separated 
  

   from 
  the 
  prozona 
  and 
  is 
  obscurely 
  punctate; 
  behind 
  the 
  eyes 
  is 
  a 
  black 
  

   band, 
  which 
  crosses 
  the 
  upper 
  half 
  of 
  the 
  lateral 
  lobes 
  of 
  the 
  prozona, 
  

   but 
  is 
  not 
  very 
  distinct 
  from 
  the 
  general 
  infuscation 
  of 
  the 
  prothorax; 
  

   median 
  carina 
  slight, 
  distinct 
  only 
  at 
  the 
  extreme 
  front 
  and 
  on 
  the 
  

   metazona; 
  lateral 
  carinae 
  tolerably 
  distinct; 
  transverse 
  sulci 
  of 
  prozona 
  

   slight, 
  the 
  anterior 
  scarcely 
  severing 
  the 
  median 
  carina; 
  front 
  margin 
  

   truncate,liind 
  margin 
  obtusaiigulate; 
  i)rozoua 
  feebly 
  longitudinal 
  (male) 
  

   or 
  quadrate 
  or 
  transverse 
  (female). 
  Prosternal 
  spine 
  of 
  moderate 
  

   length, 
  stout, 
  conico-cyliudrical, 
  somewhat 
  appressed, 
  blunt, 
  erect; 
  

   interspace 
  between 
  mesosterual 
  lobes 
  nearly 
  or 
  quite 
  twice 
  as 
  long 
  as 
  

   broad 
  (male) 
  or 
  a 
  little 
  longer 
  than 
  broad 
  (female). 
  Tegmina 
  reaching 
  

   or 
  somewhat 
  surpassing 
  the 
  tips 
  of 
  the 
  hind 
  femora, 
  moderately 
  broad, 
  

   distinctly 
  tapering, 
  very 
  dark 
  brown 
  or 
  blackish, 
  especially 
  in 
  the 
  male, 
  

   rather 
  inconspicuously 
  maculate 
  along 
  the 
  discoidal 
  area; 
  wings 
  rather 
  

   broad, 
  hyaline, 
  very 
  faintly 
  infumated 
  in 
  the 
  apical 
  half, 
  the 
  veins 
  

   mostly 
  dark 
  fuscous. 
  Fore 
  and 
  middle 
  femora 
  a 
  little 
  tumid 
  in 
  the 
  

   male, 
  reddish 
  brown, 
  infuscated 
  above, 
  especially 
  at 
  the 
  apex; 
  hind 
  

   femora 
  mostly 
  blackish 
  externally, 
  with 
  oblique, 
  more 
  or 
  less 
  broken, 
  

   median 
  and 
  basal 
  bands 
  of 
  dull 
  testaceous, 
  especially 
  in 
  the 
  male, 
  

   the 
  geniculation 
  black; 
  hind 
  tibiae 
  red 
  with 
  a 
  narrow 
  basal 
  black 
  or 
  

   blackish 
  annulus, 
  the 
  spines 
  black, 
  eleven 
  to 
  fourteen 
  in 
  number 
  

   in 
  the 
  outer 
  series. 
  Extremity 
  of 
  male 
  abdomen 
  a 
  very 
  little 
  clavate, 
  

   scarcely 
  recurved, 
  the 
  supraanal 
  plate 
  rounded 
  triangular, 
  of 
  about 
  

   equal 
  length 
  and 
  breadth; 
  furcula 
  reduced 
  to 
  a 
  pair 
  of 
  slight, 
  blunt 
  

   tubercles; 
  cerci 
  small, 
  compressed, 
  the 
  basal 
  two-thirds 
  straight, 
  

   slightly 
  tumid, 
  directed 
  backward, 
  tapering 
  slightly, 
  the 
  apical 
  third 
  

   forked, 
  the 
  forks 
  at 
  right 
  angles, 
  the 
  upper 
  generally 
  twice 
  as 
  broad 
  

   and 
  half 
  as 
  long 
  again 
  as 
  the 
  lower 
  (but 
  the 
  lower 
  very 
  variable 
  in 
  

   size), 
  compressed, 
  straight, 
  but 
  a 
  little 
  incurved, 
  rounded 
  at 
  tip, 
  the 
  

   lower 
  more 
  nearly 
  in 
  the 
  course 
  of 
  the 
  basal 
  portion, 
  straight, 
  bluntly 
  

   tipped; 
  subgenital 
  plate 
  rather 
  broad, 
  a 
  little 
  longer 
  than 
  broad, 
  haus- 
  

   trate, 
  subquadrate, 
  entire. 
  Basal 
  tooth 
  of 
  the 
  lower 
  valves 
  of 
  the 
  ovi- 
  

   positor 
  sharp, 
  triangular, 
  as 
  long 
  as 
  broad. 
  

  

  