﻿530 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  

  

  Head: 
  rostrum 
  and 
  palpi 
  dark 
  brown; 
  vertex' 
  brown, 
  more 
  yel- 
  

   lowish 
  anteriorly; 
  occiput 
  light 
  brown. 
  Antennae, 
  basal 
  segment 
  of 
  

   the 
  scape 
  brown, 
  second 
  yellowish, 
  third 
  light 
  brown, 
  whitish 
  

   apically, 
  darker 
  brown 
  subapically, 
  each 
  succeeding 
  segment 
  of 
  the 
  

   antennae 
  bi-nodose, 
  dark 
  brown 
  on 
  the 
  nodes, 
  lighter 
  brown 
  at 
  the 
  

   constriction, 
  and 
  pale, 
  almost 
  white, 
  at 
  the 
  ends. 
  

  

  Thorax: 
  pronotumpale 
  yellow: 
  mesonotum, 
  praescutum 
  very 
  light 
  

   brownish-yellow 
  with 
  two 
  broad 
  dark 
  bro^ai 
  stripes 
  recurrent 
  along 
  

   the 
  lateral 
  margin 
  of 
  the 
  sclerite; 
  a 
  broad 
  lateral 
  stripe 
  extending 
  

   from 
  beliind 
  the 
  pseudosuture 
  to 
  the 
  transverse 
  suture 
  ; 
  pseudo-suture 
  

   black, 
  scutum 
  light 
  broAvnish-yellow 
  medially 
  with 
  a 
  dark 
  brown 
  line 
  

   on 
  either 
  side; 
  scutellum 
  and 
  postnotum 
  brown, 
  dusted 
  with 
  yellow. 
  

   Pleurae: 
  dorsal 
  portions 
  of 
  the 
  epipleursB 
  dark 
  brown, 
  remainder 
  of 
  

   the 
  epipleurae 
  brownish-black, 
  deepest 
  medially. 
  Hal 
  teres 
  light 
  

   brown. 
  Legs 
  : 
  coxae 
  and 
  trochanters 
  dull 
  yellow 
  ; 
  femora 
  light 
  brown, 
  

   extreme 
  tip 
  light 
  yellow, 
  sub-apical 
  ring 
  black; 
  tibia 
  light 
  brown, 
  

   tip 
  broadl}^ 
  black; 
  tarsi 
  white, 
  the 
  hindermost 
  pair 
  clearest 
  white, 
  

   anterior 
  pair 
  has 
  the 
  extreme 
  tips 
  of 
  the 
  segments 
  indistinctly 
  brown. 
  

  

  Wings: 
  light 
  gray, 
  indistinct 
  rounded 
  clouds 
  at 
  the 
  origin 
  of 
  Ks; 
  

   along 
  the 
  cord; 
  at 
  the 
  fork 
  of 
  R2+3; 
  at 
  cross 
  vein 
  r; 
  at 
  the 
  fork 
  of 
  

   Mi+2, 
  and 
  at 
  the 
  fork 
  of 
  M3 
  and 
  Cuj. 
  Venation: 
  Sc 
  rather 
  long, 
  Sci 
  

   ending 
  rather 
  nearer 
  to 
  the 
  fork 
  of 
  R2+3 
  than 
  Rs. 
  Rs 
  evenly 
  arcuated 
  

   at 
  its 
  origin, 
  in 
  a 
  line 
  with 
  R2+3; 
  basal 
  deflection 
  of 
  R4+5 
  arcuated 
  ; 
  

   basal 
  deflection 
  of 
  Cu^ 
  at 
  the 
  fork 
  of 
  M; 
  Mg-f-Cui 
  longer 
  than 
  M3 
  

   alone. 
  (See 
  fig. 
  18.) 
  

  

  Abdomen 
  brown 
  ; 
  sternum 
  dark. 
  

  

  Hypop3'gium: 
  posterior 
  margin 
  of 
  the 
  ninth 
  tergite 
  (d) 
  produced 
  

   caudad 
  into 
  a 
  blunt, 
  obtuse 
  tooth; 
  pleurae 
  (c) 
  very 
  long, 
  cylindrical, 
  

   thickly 
  clothed 
  on 
  the 
  external 
  facies 
  with 
  long 
  hairs, 
  bearing 
  two 
  

   apical 
  appendages, 
  the 
  upper 
  one 
  (a) 
  is 
  chitinized, 
  cylindrical, 
  blunt 
  

   at 
  the 
  apex 
  and 
  there 
  armed 
  with 
  a 
  sharp, 
  recurved 
  hook; 
  the 
  lower 
  

   appendage 
  (h) 
  is 
  not 
  chitinized, 
  or 
  only 
  feebly 
  so 
  at 
  its 
  tip, 
  rather 
  

   shorter 
  than 
  the 
  upper 
  apical 
  appendage 
  and 
  more 
  pointed 
  at 
  its 
  tip. 
  

   On 
  the 
  ventral 
  aspect, 
  the 
  ninth 
  sternite 
  is 
  broadly 
  concave; 
  the 
  

   anal 
  tube 
  (e) 
  broad, 
  distinct; 
  guard 
  of 
  the 
  penis 
  entirely 
  hidden 
  from 
  

   the 
  ventral 
  aspect, 
  scarcely 
  apparent 
  from 
  the 
  dorsal 
  aspect. 
  (See 
  

  

  fig. 
  1.) 
  

  

  Igarape 
  Assu, 
  Para, 
  Brazil 
  (Parish), 
  Jan. 
  19, 
  1912 
  (1 
  male); 
  Jan. 
  

   30, 
  1912 
  (2 
  males); 
  Feb. 
  4, 
  1912 
  (3 
  males). 
  

  

  Specimens 
  in 
  Cornell 
  University 
  collection 
  and 
  in 
  author's 
  col- 
  

   ection. 
  

  

  POLYMERA 
  SUPERBA, 
  new 
  species. 
  

  

  Size, 
  medium; 
  flagellum 
  of 
  the 
  antennae 
  bi-nodose; 
  cell 
  ^Ii 
  present; 
  

   wing 
  dark-colored 
  with 
  white 
  spots. 
  

  

  Male. 
  — 
  Length, 
  5.8 
  mm.; 
  wing, 
  5.8 
  mm.; 
  antennae 
  (about), 
  7.8 
  mm. 
  

   Head: 
  vertex 
  dark 
  chestnut-red, 
  paler, 
  yellowish, 
  on 
  the 
  occiput; 
  

  

  