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  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  

  

  pronotum, 
  the 
  interspace 
  between 
  the 
  eyes 
  liardly 
  (male) 
  or 
  fully 
  

   (female) 
  half 
  as 
  broad 
  again 
  as 
  the 
  first 
  an 
  tennal 
  joint; 
  fastigium 
  not 
  

   very 
  declivent, 
  distinctly 
  (male) 
  or 
  rather 
  feebly 
  (female) 
  sulcate; 
  frontal 
  

   costa 
  rather 
  prominent, 
  not 
  reaching 
  the 
  clypeus, 
  subequal 
  but 
  narrowly 
  

   and 
  feebly 
  contracted 
  above, 
  as 
  broad 
  as 
  the 
  interspace 
  between 
  the 
  

   eyes, 
  scarcely 
  sulcate 
  below 
  the 
  ocellus, 
  punctate 
  throughout; 
  eyes 
  

   rather 
  large, 
  rather 
  prominent 
  in 
  the 
  male, 
  not 
  at 
  all 
  in 
  the 
  female, 
  

   much 
  longer 
  than 
  the 
  infraocular 
  portion 
  of 
  the 
  genae; 
  antennae 
  luteo- 
  

   or 
  fulvo-testaceous, 
  a 
  little 
  infuscated 
  apically 
  and 
  paler 
  at 
  the 
  base, 
  

   nearly 
  four 
  fifths 
  (male) 
  or 
  two-thirds 
  (female) 
  as 
  long 
  as 
  the 
  hind 
  femoia. 
  

   I'ronotum 
  feebly 
  expanding 
  posteriorly, 
  the 
  disk 
  dark 
  fuscous, 
  a 
  broad 
  

   dull 
  tlavous 
  or 
  cinereous 
  stripe 
  on 
  either 
  side, 
  limited 
  exteriorly 
  by 
  the 
  

   lateral 
  carinae 
  and 
  generally 
  fading 
  or 
  obsolete 
  on 
  the 
  metazona, 
  leaving 
  

   between 
  them 
  a 
  mesial 
  fuscous 
  stripe 
  no 
  broader 
  than 
  they, 
  the 
  lateral 
  

   lobes 
  tlavo-testaceous 
  below 
  with 
  a 
  postocular 
  piceous 
  band, 
  very 
  broad 
  

   and 
  sometimes 
  percurrent, 
  but 
  then 
  broadened 
  and 
  diffused 
  or 
  em- 
  

   browned 
  on 
  the 
  metazona; 
  disk 
  very 
  broadly 
  convex, 
  passing 
  almost 
  

   insensibly 
  into 
  the 
  sub 
  vertical 
  lateral 
  lobes; 
  median 
  carina 
  distinct 
  

   and 
  sharp 
  on 
  the 
  metazona, 
  almost 
  wholly 
  wanting 
  on 
  the 
  prozona; 
  

   front 
  margin 
  truncate, 
  hind 
  margin 
  very 
  broadly 
  rounded 
  or 
  subtrun- 
  

   cate, 
  occasionally 
  subangulate; 
  prozona 
  sparsely 
  punctate, 
  varying 
  

   from 
  quadrate 
  to 
  distinctly 
  longitudinal, 
  the 
  latter 
  only 
  in 
  the 
  male, 
  a 
  

   third 
  to 
  a 
  half 
  longer 
  than 
  the 
  finely 
  punctate 
  metazona. 
  Prosternal 
  

   spine 
  short, 
  stout, 
  conical, 
  shorter 
  and 
  stouter 
  in 
  the 
  female 
  than 
  in 
  the 
  

   male; 
  interspace 
  between 
  mesosternal 
  lobes 
  twice 
  or 
  more 
  than 
  twice 
  

   as 
  long 
  as 
  broad 
  with 
  parallel 
  sides 
  (male) 
  or 
  longitudinally 
  subquad- 
  

   rate 
  (female). 
  Tegmina 
  abbreviate, 
  shorter 
  than 
  the 
  pronotum, 
  rotund- 
  

   ato-ovate, 
  from 
  a 
  fourth 
  to 
  a 
  half 
  as 
  long 
  again 
  as 
  broad, 
  well 
  rounded 
  

   apically, 
  ap])roximate 
  or 
  subattingent, 
  rarely 
  attingent, 
  brownish 
  fuscous 
  

   sometimes 
  streaked 
  with 
  cinereous. 
  Fore 
  and 
  middle 
  femora 
  of 
  male 
  

   considerably 
  tumid; 
  hind 
  femora 
  moderately 
  slender, 
  fiavo-testaceous, 
  

   distinctly 
  and 
  rather 
  narrowly 
  bifasciate 
  with 
  blackish 
  fuscous, 
  the 
  

   geniculation 
  blackish 
  fuscous, 
  the 
  inferior 
  faceflavous 
  sometimes 
  infus- 
  

   cated; 
  hind 
  tibiae 
  pale 
  fusco-glaucous, 
  the 
  spines 
  pallid 
  on 
  basal, 
  black 
  

   on 
  apical 
  half, 
  nine 
  to 
  eleven, 
  usually 
  eleven, 
  in 
  number 
  in 
  the 
  outer 
  

   series. 
  Extremity 
  of 
  male 
  abdomen 
  clavate, 
  very 
  strongly 
  recurved, 
  

   the 
  supraanal 
  plate 
  triangular 
  with 
  acatangulate 
  apex, 
  nearly 
  plane, 
  

   with 
  a 
  pair 
  of 
  lateral 
  arcuate 
  blunt 
  incurved 
  ridges, 
  formed 
  of 
  a 
  plica 
  

   tion 
  beginning 
  with 
  the 
  basal 
  half 
  of 
  the 
  lateral 
  margins 
  but 
  ending 
  

   abruptly 
  before 
  the 
  median 
  line, 
  the 
  median 
  sulcus 
  verj^ 
  slight 
  and 
  

   v^lender, 
  percurient; 
  furcula 
  entirely 
  wanting; 
  cerci 
  broad 
  and 
  slightly 
  

   tumid 
  at 
  base, 
  rapidly 
  and 
  regularly 
  tapering 
  in 
  the 
  proximal 
  half, 
  

   beyond 
  much 
  less 
  rapidly, 
  the 
  distal 
  half 
  forming 
  a 
  compressed, 
  sub- 
  

   c(iual, 
  slender, 
  incurved 
  ribbon, 
  hardly 
  more 
  than 
  a 
  third 
  as 
  broad 
  as 
  

   the 
  base, 
  the 
  tip 
  rounded 
  but 
  slightly 
  angulate 
  below, 
  the 
  whole 
  about 
  

   twice 
  as 
  long 
  as 
  the 
  basal 
  breadth, 
  suberect; 
  subgenital 
  plate 
  bluntly 
  

  

  