﻿new 
  Species 
  of 
  Diploptera. 
  109 
  

  

  Black 
  ; 
  the 
  mandibles, 
  the 
  clypeus 
  apically 
  and 
  laterally, 
  

   three 
  small 
  ovoid 
  spots 
  on 
  the 
  front 
  (the 
  two 
  lower 
  situated 
  

   between 
  the 
  base 
  of" 
  the 
  antennae), 
  the 
  inner 
  margin 
  of 
  the 
  

   eyes 
  (including 
  the 
  sinus), 
  the 
  space 
  behind 
  the 
  eyes, 
  the 
  

   pronotum 
  in 
  front, 
  and 
  a 
  narrow 
  line 
  along 
  the 
  posterior 
  

   margin 
  to 
  the 
  tegulae, 
  the 
  tegulae, 
  a 
  spot 
  on 
  the 
  mesopleurae, 
  

   two 
  small 
  spots 
  on 
  the 
  scutellum, 
  and 
  two 
  lines 
  on 
  the 
  poste- 
  

   rior 
  face 
  of 
  the 
  median 
  segment, 
  pale 
  yellow. 
  Abdomen 
  

   with 
  the 
  petiole 
  along 
  the 
  basal 
  lateral 
  half, 
  two 
  minute 
  

   marks 
  at 
  the 
  base 
  of 
  the 
  second 
  segment, 
  and 
  the 
  apical 
  

   margin 
  of 
  all 
  the 
  segments 
  pale 
  yellow. 
  Legs 
  : 
  the 
  anterior 
  

   pair 
  with 
  femora 
  at 
  the 
  apex, 
  the 
  tibiae 
  and 
  tarsi, 
  intermediate 
  

   pair 
  with 
  coxa? 
  beneath, 
  femora 
  and 
  tibiae 
  apically, 
  and 
  tai'si, 
  

   posterior 
  pair 
  with 
  femora 
  and 
  tibiae 
  at 
  apex, 
  and 
  tarsi 
  

   (except 
  the 
  first 
  joint 
  at 
  the 
  base), 
  pale 
  yellow. 
  Antennae 
  

   pale 
  ferruginous, 
  the 
  scape 
  black 
  dorsally. 
  Wings 
  hyaline, 
  

   slightly 
  fuscous 
  in 
  the 
  radial 
  cell. 
  

  

  Head 
  as 
  broad 
  as 
  thorax 
  at 
  the 
  tegulae, 
  genae 
  very 
  short. 
  

  

  Prothorax 
  truncate 
  anteriorly, 
  widening 
  towards 
  the 
  

   tegulae. 
  Petiole 
  long 
  and 
  slender, 
  about 
  as 
  long 
  as 
  head 
  

   and 
  thorax 
  combined, 
  rather 
  broader 
  along 
  the 
  apical 
  half 
  ; 
  

   second 
  abdominal 
  segment 
  cup-shaped, 
  gradually 
  widening 
  

   towards 
  the 
  apical 
  margin. 
  

  

  Clypeus 
  with 
  a 
  few 
  minute 
  punctures 
  and 
  sparsely 
  fringed 
  

   with 
  white 
  hairs; 
  thorax 
  and 
  abdomen 
  impunctate 
  except 
  for 
  

   a 
  line 
  transverse 
  striation 
  on 
  the 
  apex 
  of 
  the 
  median 
  segment. 
  

   A 
  short 
  dense 
  grey 
  pubescence 
  on 
  the 
  thorax. 
  

  

  Length 
  10 
  mm. 
  

  

  Hab. 
  Kuh 
  Send, 
  S.W. 
  Persia 
  (Escalera) 
  ; 
  4 
  ? 
  . 
  

  

  The 
  slender 
  build 
  of 
  this 
  species 
  separates 
  it 
  from 
  any 
  

   described 
  Asiatic 
  Polybia. 
  The 
  petiole 
  is 
  longer 
  and 
  more 
  

   slender, 
  and 
  the 
  widening 
  of 
  the 
  second 
  abdominal 
  segment 
  

   more 
  gradual. 
  Most 
  nearly 
  allied 
  to 
  P. 
  orientalis, 
  Sauss., 
  

   and 
  P. 
  sumatrensis, 
  Sauss. 
  

  

  Polybia 
  (Parapolybid) 
  escalera, 
  sp. 
  n. 
  

  

  $ 
  . 
  Precedenti 
  similis, 
  sed 
  omnino 
  pallidior 
  ; 
  mesothorace 
  duabus 
  

   iineis 
  pallide 
  flavis, 
  abdominis 
  segmentis 
  late 
  flavo-fasciatis. 
  

  

  Black; 
  the 
  scape 
  beneath, 
  the 
  mandibles, 
  the 
  clypeus 
  

   (except 
  for 
  a 
  faint 
  median 
  longitudinal 
  line), 
  a 
  large 
  ovoid 
  

   mark 
  between 
  the 
  antennae, 
  the 
  inner 
  margin 
  and 
  sinus 
  of 
  

   the 
  eyes, 
  the 
  space 
  behind 
  the 
  eyes, 
  and 
  two 
  small 
  marks 
  on 
  

   the 
  vertex 
  pale 
  yellow. 
  Thorax 
  black 
  ; 
  the 
  pronotum 
  in 
  

   front 
  and 
  along 
  the 
  posterior 
  margin 
  to 
  the 
  tegulae, 
  the 
  

  

  