﻿428 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.96 
  

  

  recurved 
  margin; 
  pronotal 
  sinus 
  (pi. 
  55, 
  fig. 
  72) 
  broad, 
  exposing 
  the 
  

   spiracular 
  sclerite; 
  raesoscutum 
  precipitous 
  anteriorly, 
  notaulices 
  more 
  

   or 
  less 
  distinct, 
  broad, 
  usually 
  foveolate 
  or 
  rugose; 
  scutellum 
  short, 
  

   precipitous 
  apically, 
  basal 
  fovea 
  and 
  lateral 
  areas 
  very 
  deep, 
  lateral 
  

   carina 
  high, 
  extending 
  at 
  most 
  to 
  top 
  of 
  apical 
  slope; 
  prepectoral 
  

   carina 
  (pi. 
  52, 
  figs. 
  38, 
  47) 
  ascending 
  well 
  up 
  on 
  mesopleura, 
  where 
  it 
  

   frequently 
  bends 
  abruptly 
  toward, 
  and 
  usually 
  reaches 
  anterior 
  mar- 
  

   gin; 
  postpectoral 
  carina 
  (pi. 
  52, 
  fig. 
  38) 
  distinct 
  only 
  medially, 
  where 
  

   it 
  is 
  sometimes 
  represented 
  only 
  by 
  a 
  tubercle 
  on 
  each 
  side 
  of 
  meso- 
  

   sulcus; 
  metapleuron 
  (pi. 
  51, 
  fig. 
  29) 
  small, 
  triangular, 
  flat, 
  deeply 
  inset; 
  

   propodeum 
  (pi. 
  51, 
  fig. 
  29) 
  bulbous, 
  without 
  carinae, 
  precipitous 
  

   apically, 
  basal 
  constriction 
  (pi. 
  51, 
  fig. 
  29) 
  very 
  deep 
  and 
  narrow, 
  

   spiracles 
  very 
  long, 
  situated 
  near 
  bottom 
  of 
  constriction. 
  Wings 
  

   (pi. 
  53, 
  fig. 
  50) 
  densely 
  hairy, 
  with 
  neither 
  a 
  hairless 
  area 
  below 
  base 
  

   of 
  stigma 
  nor 
  a 
  fenestra; 
  stigma 
  extremely 
  narrow, 
  no 
  broader 
  than 
  

   combined 
  costa 
  and 
  subcosta, 
  radius 
  very 
  close 
  to 
  base, 
  stigma 
  very 
  

   gradually 
  tapering 
  from 
  radius 
  and 
  merging 
  imperceptibly 
  with 
  

   metacarpus; 
  radial 
  cell 
  very 
  narrow; 
  basal 
  abscissa 
  of 
  radius 
  neither 
  

   strongly 
  thickened 
  nor 
  curved, 
  apical 
  abscissa 
  a 
  long 
  sigmoid 
  curve; 
  

   basal 
  abscissa 
  of 
  radius, 
  intercubitus 
  and 
  apical 
  abscissa 
  of 
  cubitus 
  

   forming 
  a 
  nearly 
  straight 
  line, 
  only 
  slightly 
  angled 
  at 
  the 
  nodes; 
  basal 
  

   vein 
  straight 
  or 
  slightly 
  decurved 
  at 
  lower 
  end; 
  discocubitus 
  curved, 
  

   without 
  ramellus; 
  intercubitus 
  as 
  long 
  as 
  or 
  longer 
  than 
  second 
  

   abscissa 
  of 
  cubitus; 
  discoidal 
  cell 
  not 
  or 
  barely 
  as 
  long 
  as 
  brachial 
  cell; 
  

   lower 
  apical 
  angle 
  acute; 
  postnervulus 
  broken 
  above 
  middle; 
  nervellus 
  

   from 
  shortly 
  antef 
  ureal 
  to 
  shortly 
  postf 
  ureal; 
  frenulum 
  with 
  many 
  

   widely 
  separated 
  and 
  frequently 
  unevenly 
  spaced 
  hooks 
  and 
  extending 
  

   from 
  near 
  radius 
  about 
  halfway 
  to 
  apex 
  of 
  wing; 
  abscissula 
  straight 
  or 
  

   weakly 
  curved, 
  cubitella 
  usually 
  not 
  nearly 
  reaching 
  margin 
  of 
  wing; 
  

   nervellus 
  strongly 
  reclivous, 
  broken 
  far 
  above 
  middle, 
  upper 
  abscissa 
  

   strongly 
  inclivous. 
  Legs 
  short, 
  hind 
  leg 
  not 
  or 
  barely 
  as 
  long 
  as 
  

   abdomen; 
  hind 
  coxa 
  (pi. 
  51, 
  fig. 
  29) 
  not 
  extending 
  beyond 
  apex 
  of 
  

   propodeum; 
  front 
  and 
  middle 
  coxae 
  each 
  with 
  a 
  more 
  or 
  less 
  tubercle- 
  

   like 
  extension 
  below 
  articulation 
  of 
  trochanter; 
  claws 
  moderately 
  

   curved, 
  pectination 
  short 
  and 
  dense. 
  

  

  Abdomen 
  (pi. 
  56, 
  fig. 
  86): 
  Alore 
  than 
  twice 
  as 
  long 
  as 
  head 
  and 
  

   thorax, 
  strongly 
  compressed 
  beyond 
  first 
  segment; 
  first 
  segment 
  

   slender, 
  spiracle 
  at 
  about 
  apical 
  fifth, 
  petiole 
  usually 
  compressed, 
  

   postpetiole 
  short, 
  convex 
  above; 
  tergite 
  2 
  much 
  shorter 
  than 
  tergite 
  

   1 
  and 
  longer 
  than 
  3, 
  without 
  an 
  umbo, 
  spiracles 
  beyond 
  middle 
  but 
  

   before 
  apical 
  third, 
  gastrocoeli 
  nearer 
  to 
  spiracles 
  than 
  to 
  base, 
  

   epipleura 
  not 
  at 
  all 
  separated 
  from 
  tergite; 
  sternite 
  2 
  reaching 
  to 
  about 
  

   middle 
  of 
  tergite 
  2, 
  sternite 
  3 
  not 
  or 
  barely 
  reaching 
  apex 
  of 
  tergite 
  2; 
  

   tergite 
  3 
  with 
  a 
  distinct, 
  subcircular 
  gastrocoelus-like 
  area 
  at 
  extreme 
  

  

  