﻿NEW 
  WASPS 
  FROM 
  SOUTHERN 
  NIGERIA 
  — 
  PATE 
  161 
  

  

  Thorax 
  opaque; 
  with 
  a 
  thin 
  vestiture 
  of 
  puberulent 
  silvery 
  hair 
  

   which 
  is 
  most 
  noticeable 
  on 
  lower 
  half 
  of 
  mesopleura. 
  Pronotuni 
  (fig. 
  

   16, 
  k) 
  with 
  anterior 
  and 
  lateral 
  margins 
  sharply 
  carinate, 
  the 
  humeri 
  

   acutely 
  angulate 
  and 
  projecting 
  forward; 
  dorsal 
  surface 
  coarsely, 
  

   variolately 
  sculptuied. 
  Mesonotum 
  coarsely, 
  closely, 
  variolately 
  pitted 
  

   throughout; 
  axillae 
  sharply 
  margined 
  laterally; 
  scutellum 
  flat, 
  

   coai'sely, 
  closely, 
  variolately 
  pitted 
  throughout, 
  lateral 
  edges 
  margined 
  ; 
  

   postscutellum 
  longitudinally 
  rugulose. 
  Mesopleura 
  coarsely, 
  vario- 
  

   lately 
  sculptured 
  above 
  to 
  finely 
  punctulate 
  on 
  lower 
  third. 
  Meta- 
  

   pleura 
  coarsely, 
  longitudinally 
  rugulate. 
  Propodeum 
  with 
  large, 
  

   coarse 
  areoles 
  on 
  dorsal 
  and 
  posterior 
  faces, 
  the 
  latter 
  with 
  a 
  large, 
  

   broad, 
  subcuneate 
  areole 
  discally; 
  lateral 
  carinas 
  well 
  developed; 
  

   lateral 
  faces 
  traversed 
  by 
  well-separated 
  horizontal 
  rugae. 
  

  

  Forelegs 
  (fig. 
  16, 
  e, 
  o) 
  with 
  femora 
  subtriquetrous 
  and 
  with 
  a 
  basal 
  

   lobe 
  projecting 
  back 
  beyond 
  insertion 
  of 
  trochanter, 
  lower 
  outer 
  

   edge 
  sharpl}' 
  carinate, 
  with 
  a 
  row 
  of 
  long 
  white 
  hairs 
  near 
  upper 
  edge; 
  

   tibiae 
  subtriquetrous; 
  tarsi 
  distorted, 
  without 
  a 
  pecten, 
  second 
  segment 
  

   with 
  a 
  long 
  appendix. 
  Middle 
  legs 
  (fig. 
  16, 
  /) 
  : 
  coxae 
  and 
  trochanters 
  

   with 
  a 
  brush 
  of 
  hair 
  beneath: 
  femora 
  stoutly 
  fusiform, 
  keeled 
  be- 
  

   neath 
  at 
  base 
  and 
  apex 
  ; 
  tibiae 
  irregularly 
  subtriquetrous 
  ; 
  metatarsi 
  

   irregularly 
  flattened, 
  their 
  anterior 
  margin 
  closely 
  spinulate. 
  Hind 
  

   legs 
  with 
  coxae 
  and 
  trochanters 
  villous 
  beneath; 
  femora 
  stoutly 
  sub- 
  

   fusiform, 
  finely 
  rugulate 
  and 
  with 
  a 
  fine, 
  irregular 
  carinule 
  below; 
  

   tibiae 
  stoutly 
  obterete, 
  the 
  outer 
  faces 
  echinulate; 
  metatarsi 
  strongly 
  

   compressed, 
  elongate, 
  three-fourths 
  the 
  length 
  of 
  tibiae 
  and 
  twice 
  

   the 
  length 
  of 
  the 
  four 
  distal 
  segments 
  combined; 
  longer 
  hind 
  tibial 
  

   calcar 
  two-thirds 
  the 
  length 
  of 
  hind 
  metatarsi. 
  

  

  Forewings 
  with 
  marginal 
  cell 
  elongate, 
  narrow, 
  four 
  times 
  as 
  long 
  

   as 
  wide, 
  broadly 
  and 
  squarely 
  truncate 
  at 
  apex; 
  radius 
  with 
  first 
  

   abscissa 
  five-eighths 
  the 
  length 
  of 
  second 
  abscissa; 
  transverse 
  cubital 
  

   vein 
  one 
  and 
  a 
  fourth 
  times 
  the 
  length 
  of 
  second 
  abscissa 
  of 
  cubitus 
  

   wliich 
  is 
  one-fourth 
  the 
  length 
  of 
  first 
  abscissa 
  of 
  cubitus. 
  

  

  Abdomen 
  fulgid; 
  compactly 
  elongate-ovate; 
  strongly 
  constricted 
  

   between 
  the 
  second, 
  third, 
  and 
  fourth 
  tergites; 
  with 
  a 
  fine, 
  thin 
  vesti- 
  

   ture 
  of 
  silvery 
  puberulent 
  hair. 
  First 
  three 
  tergites 
  coarsely, 
  closely 
  

   punctate 
  save 
  for 
  a 
  narrow 
  transverse 
  band 
  of 
  finer 
  closer 
  punctures 
  

   just 
  before 
  the 
  beaded 
  caudal 
  margins 
  ; 
  fourth 
  tergite 
  rather 
  coarsely 
  

   punctate 
  on 
  basal 
  two-thirds; 
  remaining 
  tergites 
  finely 
  punctulate; 
  

   ultimate 
  tergite 
  short, 
  transverse, 
  almost 
  impunctate, 
  without 
  a 
  

   pygidial 
  area, 
  not 
  bisected 
  by 
  a 
  sulcus, 
  the 
  apical 
  margin 
  sinuate 
  

   laterally 
  on 
  each 
  side. 
  Sternites 
  finelj'^, 
  microscopically 
  punctulate. 
  

  

  This 
  distinctive 
  species 
  is 
  known 
  only 
  from 
  the 
  unique 
  male 
  de- 
  

   sci'ibed 
  above. 
  

  

  