﻿110 
  Mr. 
  G. 
  Meade- 
  Waldo 
  on 
  

  

  tegulse, 
  two 
  parallel 
  lines 
  on 
  the 
  disc 
  of 
  the 
  rnesonotum, 
  

   the 
  greater 
  part 
  of 
  the 
  mesopleuree, 
  basal 
  portion 
  of 
  scutellum, 
  

   the 
  postscutellum, 
  and 
  a 
  mark 
  roughly 
  V-shaped 
  on 
  each 
  side 
  

   of 
  the 
  posterior 
  face 
  of 
  the 
  median 
  segment, 
  pale 
  yellow. 
  

   Abdomen 
  black; 
  petiole 
  at 
  the 
  base, 
  apex, 
  and 
  laterally, 
  

   abdominal 
  segment 
  2 
  at 
  base 
  and 
  with 
  broad 
  apical 
  fascia, 
  

   following 
  segments 
  with 
  apical 
  fascias, 
  pale 
  yellow. 
  

  

  Legs 
  chiefly 
  pale 
  yellow, 
  the 
  anterior 
  femora 
  and 
  inter- 
  

   mediate 
  femora 
  and 
  tibiae 
  streaked 
  with 
  black, 
  first 
  joint 
  of 
  

   posterior 
  tarsi 
  marked 
  with 
  black. 
  

  

  Antennse 
  ferruginous, 
  scape 
  darker 
  above. 
  

  

  Wings 
  clear 
  hyaline, 
  slightly 
  fuscous 
  in 
  radial 
  cell. 
  

  

  Head 
  about 
  as 
  broad 
  as 
  thorax, 
  gense 
  very 
  short. 
  

  

  Prothorax 
  with 
  the 
  posterior 
  margins 
  distinctly 
  raised 
  and 
  

   rounded. 
  Petiole 
  slender, 
  of 
  almost 
  uniform 
  width, 
  about 
  as 
  

   long 
  as 
  thorax 
  ; 
  second 
  abdominal 
  segment 
  cup-shaped, 
  

   narrow, 
  gradually 
  widening 
  to 
  apex. 
  

  

  Length 
  10 
  mm. 
  

  

  Hab. 
  Dupulan 
  Baktiari, 
  S.W. 
  Persia 
  (Escalera) 
  ; 
  1 
  $ 
  . 
  

  

  Distinct 
  from 
  P. 
  persica 
  by 
  the 
  shorter 
  petiole 
  and 
  

   differently 
  shaped 
  second 
  abdominal 
  segment. 
  

  

  In 
  P. 
  persica 
  the 
  second 
  abdominal 
  segment 
  is 
  as 
  broad 
  at 
  

   the 
  apex 
  as 
  its 
  entire 
  length, 
  in 
  P. 
  escalera 
  it 
  is 
  one 
  and 
  a 
  

   quarter 
  times 
  as 
  long 
  as 
  broad 
  at 
  the 
  apex, 
  and 
  has 
  an 
  

   altogether 
  more 
  slender 
  appearance. 
  

  

  The 
  whole 
  insect 
  has 
  a 
  paler 
  appearance, 
  and 
  is 
  easily 
  

   distinguishable 
  at 
  a 
  glance, 
  though, 
  were 
  it 
  not 
  for 
  a 
  struc- 
  

   tural 
  difference, 
  it 
  might 
  be 
  considered 
  a 
  variety. 
  

  

  Polybia 
  (Parapolybia) 
  melaina, 
  sp. 
  n. 
  

   5 
  . 
  Nigra 
  ; 
  clypeo 
  facieque 
  sparse 
  testaceo-variegatis, 
  alis 
  fuscis. 
  

  

  Black 
  ; 
  two 
  small 
  spots 
  at 
  the 
  apex 
  of 
  the 
  clypeus 
  and 
  

   two 
  marks 
  on 
  the 
  inner 
  orbits 
  of 
  eyes 
  below 
  the 
  sinus 
  pale 
  

   testaceous. 
  

  

  Wings 
  fuscous. 
  

  

  Head 
  broader 
  than 
  thorax, 
  petiole 
  long 
  and 
  slender, 
  

   broader 
  along 
  apical 
  half, 
  the 
  whole 
  about 
  as 
  long 
  as 
  the 
  

   thorax. 
  Second 
  abdominal 
  segment 
  cup-shaped, 
  as 
  broad 
  as 
  

   the 
  thorax 
  at 
  the 
  tegulse, 
  the 
  width 
  at 
  apex 
  about 
  equal 
  to 
  

   the 
  length. 
  The 
  whole 
  insect 
  shining, 
  impunctate. 
  

  

  Length 
  9 
  mm. 
  

  

  1 
  $. 
  

  

  g 
  . 
  Differs 
  from 
  the 
  female 
  in 
  the 
  following 
  respects 
  : 
  — 
  

   Clypeus 
  totally, 
  except 
  for 
  a 
  median 
  longitudinal 
  streak, 
  

  

  