﻿352 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  vol. 
  44. 
  

  

  Male. 
  — 
  Fastigium 
  of 
  the 
  vertex 
  elongate 
  triangular, 
  sulcate 
  dor- 
  

   sally 
  and 
  not 
  surpassing 
  the 
  antennal 
  scrobae; 
  eyes 
  moderately 
  

   prominent; 
  antennae 
  slender, 
  much 
  longer 
  than 
  the 
  body. 
  Pro- 
  

   notum 
  niggose 
  both 
  above 
  and 
  on 
  the 
  lateral 
  lobes, 
  truncate 
  behind, 
  

   subtruncate 
  before, 
  the 
  anterior 
  transverse 
  sulcus 
  distinct 
  but 
  not 
  

   so 
  conspicuous 
  as 
  the 
  median 
  sulcus; 
  lateral 
  lobes 
  considerably 
  

   longer 
  than 
  high, 
  tlie 
  lower 
  margin 
  straight, 
  humeral 
  sinus 
  distinct 
  

   but 
  broad; 
  no 
  median 
  nor 
  lateral 
  oarinse 
  but 
  the 
  shoulders 
  behind 
  

   the 
  median 
  transverse 
  sulcus 
  are 
  somewhat 
  angular; 
  disk 
  anterior 
  

   of 
  the 
  median 
  transverse 
  sulcus 
  very 
  finely 
  sulcate 
  longitudinally 
  

   do^v■n 
  the 
  middle 
  line; 
  prosternal 
  spines 
  well 
  developed. 
  Legs 
  

   moderately 
  stout; 
  anterior 
  tibiae 
  with 
  conchate 
  foramina, 
  the 
  dorsal 
  

   surface 
  broadly 
  and 
  shallowly 
  sulcate 
  and 
  unarmed; 
  middle 
  tibiae 
  

   similar 
  to 
  the 
  front 
  but 
  armed 
  on 
  the 
  posterior 
  margin 
  above 
  with 
  

   six 
  small 
  short 
  stout 
  sharp 
  spines; 
  both 
  fore 
  and 
  middle 
  tibiae 
  

   armed 
  beneath 
  on 
  both 
  margins; 
  hind 
  tibiae 
  armed 
  beneath 
  with 
  

   a 
  number 
  of 
  small 
  spines 
  in 
  two 
  series, 
  those 
  on 
  the 
  apical 
  part 
  situated 
  

   opposite, 
  those 
  on 
  the 
  basal 
  part 
  further 
  apart 
  and 
  alternate; 
  above 
  

   armed 
  on 
  both 
  margins, 
  an 
  apical 
  spine 
  present 
  only 
  on 
  the 
  inner 
  

   side; 
  femora 
  moderately 
  stout, 
  all 
  the 
  geniculations 
  unarmed 
  except 
  

   those 
  of 
  the 
  middle 
  legs 
  on 
  the 
  inner 
  side 
  which 
  are 
  spinose; 
  all 
  

   femora 
  unarmed 
  above, 
  armed 
  beneath 
  with 
  a 
  single 
  row 
  of 
  spines 
  

   on 
  the 
  outer 
  carina 
  of 
  the 
  fore 
  and 
  middle 
  legs 
  and 
  the 
  inner 
  side 
  of 
  

   the 
  fore 
  legs. 
  Abdomen 
  plump; 
  subgenital 
  plate 
  elongate, 
  apically 
  

   narrowed 
  and 
  notched, 
  each 
  angle 
  bearing 
  a 
  heavy 
  style 
  about 
  four 
  

   times 
  as 
  long 
  as 
  broad, 
  apically 
  rounded 
  and 
  barely 
  tapering; 
  cerci 
  

   subsphaerical 
  with 
  a 
  short 
  sharply 
  pointed 
  cui-ved 
  tooth 
  on 
  the 
  inner 
  

   side; 
  supraanal 
  plate 
  apically 
  rounded, 
  deflexed 
  and 
  broadly 
  dimpled 
  

   above. 
  

  

  Elytra 
  very 
  little 
  longer 
  tl;an 
  the 
  pronotum, 
  posteriorly 
  rounded 
  

   and 
  with 
  a 
  well-developed 
  speculum 
  and 
  distmct 
  veins. 
  Wings 
  

   concealed 
  beneath 
  the 
  elytra 
  and 
  equaling 
  about 
  two-thirds 
  their 
  

   length. 
  

  

  General 
  color 
  yellowish; 
  head 
  above 
  with 
  three 
  longitudinal 
  

   black 
  streaks, 
  the 
  middle 
  one 
  extending 
  anteriorly 
  over 
  the 
  top 
  of 
  

   the 
  fastigium 
  of 
  the 
  vertex 
  and 
  the 
  lateral 
  ones 
  smaller 
  and 
  extend- 
  

   ing 
  from 
  the 
  top 
  part 
  of 
  the 
  eyes 
  to 
  the 
  back 
  of 
  the 
  head; 
  the 
  basal 
  

   segment 
  and 
  scrobae 
  of 
  the 
  antennae 
  are 
  mostly 
  black 
  and 
  the 
  face 
  

   has 
  blackish 
  spots; 
  the 
  pronotum 
  is 
  wholly 
  black 
  in 
  front 
  of 
  the 
  

   anterior 
  transverse 
  sulcus 
  and 
  the 
  shoulders 
  and 
  the 
  middle 
  of 
  the 
  

   posterior 
  part 
  of 
  the 
  disk 
  is 
  also 
  black; 
  all 
  the 
  spines 
  of 
  the 
  legs 
  and 
  

   also 
  the 
  extremities 
  of 
  the 
  femora 
  and 
  tibise 
  are 
  blackish; 
  elytra 
  

   blackish 
  with 
  conspicuous 
  yellowish 
  veins. 
  

  

  