﻿52 
  

  

  JAMES 
  WATERSTON. 
  

  

  club 
  and 
  base 
  of 
  scape. 
  Trophi 
  blackish-brown 
  ; 
  palpi 
  white, 
  except 
  the 
  basal 
  joint 
  

   of 
  the 
  maxillary, 
  which 
  is 
  a 
  little 
  infuscated. 
  Wings, 
  hyaline. 
  Coxae 
  black, 
  of 
  the 
  

   hind 
  legs 
  submetallic 
  on 
  outer 
  side 
  ; 
  all 
  trochanters 
  and 
  fore 
  tibiae 
  pale, 
  as 
  are 
  also 
  

   the 
  tarsi, 
  of 
  which 
  the 
  fifth 
  joint 
  is 
  definitely 
  infuscated 
  only 
  in 
  the 
  hind 
  legs. 
  Femora 
  

   more 
  or 
  less 
  infuscated 
  on 
  basal 
  two-thirds 
  (in 
  the 
  front 
  pair 
  mainly 
  vent 
  rally) 
  and 
  

   pale 
  apically. 
  In 
  the 
  mid 
  and 
  hind 
  tibiae 
  the 
  basal 
  one-seventh 
  or 
  one-eighth 
  and 
  

   the 
  distal 
  half 
  are 
  pale, 
  the 
  remainder 
  being 
  more 
  or 
  less 
  infuscated, 
  particularly 
  

   dorsally. 
  

  

  Head 
  (fig. 
  5, 
  a) 
  with 
  surface 
  evenly 
  raised, 
  reticulate 
  and 
  shining 
  ; 
  towards 
  the 
  

   mouth-edge 
  the 
  pattern 
  is 
  drawn 
  out 
  ; 
  edge 
  of 
  clypeus 
  with 
  three 
  lobes, 
  the 
  middle 
  

   one 
  somewhat 
  broad 
  (fig. 
  5, 
  a') 
  but 
  more 
  pointed 
  when 
  seen 
  from 
  in 
  front. 
  

  

  Fig. 
  5. 
  Pachy 
  neuron 
  crassiculme, 
  sp. 
  n., 
  § 
  : 
  «, 
  head 
  ; 
  a', 
  mouth-opening 
  ; 
  b, 
  antenna 
  ; 
  c, 
  ncuration 
  

   d, 
  propodeon 
  ; 
  d' 
  , 
  propodeon 
  and 
  petiole 
  in 
  profile. 
  

  

  Antenna 
  (fig. 
  5, 
  b), 
  length, 
  0-52 
  mm. 
  ; 
  scape 
  (5 
  : 
  1) 
  widest 
  near 
  base, 
  two 
  and 
  aTialf 
  

   times 
  as 
  long 
  as 
  the 
  pedicel 
  (barely 
  2:1) 
  and 
  as 
  long 
  as 
  the 
  funicle 
  up 
  to 
  the 
  middle 
  

   of 
  its 
  penultimate 
  joint 
  [i.e., 
  equal 
  to 
  ring 
  joints 
  and 
  four 
  and 
  a 
  half 
  subsequent 
  

   joints) 
  and 
  one-fifth 
  longer 
  than 
  the 
  club 
  ; 
  the 
  two 
  ring 
  joints 
  and 
  the 
  first 
  and 
  second 
  

   funicular 
  joints 
  together 
  as 
  long 
  as 
  the 
  pedicel 
  ; 
  the 
  first 
  funicular 
  very 
  short 
  (1 
  : 
  2) 
  

   and 
  ring-like, 
  and 
  only 
  half 
  as 
  long 
  as 
  the 
  second, 
  which 
  is 
  quadrate, 
  as 
  is 
  also 
  the 
  

   third 
  ; 
  the 
  fourth 
  joint 
  cylindrical 
  and 
  about 
  one-half 
  longer 
  than 
  the 
  third, 
  being 
  

   just 
  longer 
  than 
  the 
  fifth 
  and 
  as 
  long 
  as 
  the 
  sixth, 
  which 
  is 
  the 
  broadest 
  in 
  the 
  funicle 
  ; 
  

   the 
  lengths 
  of 
  joints 
  1-6 
  approximately 
  5h, 
  11, 
  11, 
  15, 
  14, 
  15, 
  and 
  the 
  breadths, 
  10. 
  

   11, 
  12, 
  14, 
  14, 
  16 
  ; 
  the 
  club 
  longer 
  than 
  the 
  three 
  preceding 
  joints 
  togetherjand 
  

   much 
  wider 
  (11 
  : 
  8) 
  than 
  the 
  last 
  funicular 
  joint, 
  segmented 
  in 
  ratio 
  14 
  : 
  16 
  : 
  18, 
  with 
  

   breadths 
  of 
  22 
  and 
  16 
  ; 
  the 
  funicular 
  joints 
  have 
  the 
  following 
  sensoria 
  0, 
  2, 
  2, 
  4, 
  4, 
  

   6, 
  and 
  the 
  club, 
  7, 
  9, 
  7. 
  Mandibles 
  both 
  quadridentate, 
  the 
  teeth 
  deeplv 
  separated 
  

   Maxillary 
  palpi, 
  7 
  : 
  10 
  : 
  10 
  : 
  20 
  ; 
  labial 
  palpi, 
  12:3: 
  12. 
  

  

  