﻿CHALCIDOID 
  PARASITES 
  OF 
  PSVLLIDS. 
  49 
  

  

  Legs. 
  Fore 
  coxae 
  (5 
  : 
  3) 
  with 
  numerous 
  bristles 
  on 
  outer 
  aspect, 
  about 
  two-thirds 
  

   as 
  long 
  as 
  the 
  femur 
  (22 
  : 
  5) 
  which 
  is 
  a 
  little 
  longer 
  (11 
  : 
  10) 
  than 
  the 
  tibia 
  (5 
  : 
  1) 
  ; 
  

   tibial 
  comb 
  with 
  5-6 
  spines, 
  comb 
  of 
  first 
  tarsal 
  joint 
  10-11 
  spines. 
  Mid 
  legs 
  with 
  

   femur 
  (about 
  15 
  : 
  2) 
  as 
  long 
  as 
  the 
  tibia, 
  which 
  is 
  very 
  narrow 
  (about 
  12 
  : 
  1) 
  medianly 
  

   but 
  more 
  expanded 
  (about 
  6:1) 
  at 
  the 
  extreme 
  apex, 
  where 
  there 
  are 
  four 
  heavy 
  

   spines 
  ; 
  on 
  first 
  tarsal 
  joint 
  four 
  spines 
  in 
  a 
  lateral 
  row, 
  followed 
  by 
  two 
  transverse 
  

   rows 
  (subapical 
  and 
  apical) 
  of 
  three 
  each, 
  joints 
  2-4 
  with 
  transverse 
  apical 
  row 
  of 
  

   3-4 
  spines 
  and 
  one 
  extra 
  on 
  plantar 
  aspect 
  ; 
  the 
  tibial 
  spur 
  is 
  just 
  longer 
  than 
  the 
  

   first 
  tarsal 
  joint 
  measured 
  ventrally. 
  Hind 
  legs 
  with 
  coxa 
  as 
  broad 
  as 
  long, 
  with 
  

   about 
  25 
  rather 
  long 
  bristles 
  externally 
  ; 
  femur 
  (about 
  17 
  : 
  4) 
  shorter 
  (8 
  : 
  9) 
  than 
  

   tibia 
  (6 
  : 
  1), 
  comb 
  with 
  12-14 
  spines, 
  longer 
  spur 
  not 
  half 
  the 
  first 
  tarsal 
  joint 
  ; 
  the 
  

   latter 
  with 
  6-7 
  spines 
  along 
  the 
  ventral 
  edge 
  ; 
  in 
  the 
  tarsi 
  of 
  all 
  the 
  legs 
  the 
  third 
  and 
  

   fourth 
  joints 
  are 
  subequal 
  and 
  the 
  first 
  half 
  as 
  long 
  again 
  as 
  the 
  second. 
  

  

  Abdomen 
  one 
  and 
  a 
  half 
  times 
  as 
  long 
  as 
  broad 
  from 
  above. 
  The 
  tergites 
  are 
  

   medianly 
  nearly 
  smooth, 
  with 
  slightly 
  raised 
  pattern 
  on 
  the 
  overlaps 
  and 
  posteriorly 
  

   from 
  about 
  the 
  level 
  of 
  the 
  stylets. 
  Tergites 
  1-3 
  are 
  band-like 
  and 
  comparatively 
  

   simple, 
  the 
  second 
  bearing 
  anteriorly 
  at 
  each 
  side 
  a 
  small 
  patch 
  (occupying 
  rather 
  

   less 
  than 
  one-fourth 
  of 
  the 
  dorsal 
  breadth 
  of 
  the 
  tergite) 
  of 
  highly 
  raised 
  minute 
  

   cells, 
  which 
  doubtless 
  give 
  a 
  foothold 
  to 
  the 
  $ 
  (fig. 
  2, 
  b) 
  ; 
  tergite 
  4 
  is 
  narrow, 
  band- 
  

   like 
  medianly, 
  subconcave 
  along 
  the 
  posterior 
  edge, 
  and 
  deeply 
  and 
  roundly 
  excised 
  

   between 
  the 
  tergal 
  and 
  pleural 
  regions 
  ; 
  tergites 
  5 
  and 
  6 
  are 
  postero-medianly 
  convex 
  

   with 
  nearly 
  separated 
  triangular 
  overlaps 
  ; 
  spiracle 
  small, 
  broadly 
  oval 
  ; 
  tergite 
  7 
  

   is 
  truncate 
  trapezoidal, 
  the 
  sides 
  converging 
  posteriorly. 
  Each 
  tergite 
  1-6 
  bears 
  

   4-5 
  bristles 
  at 
  each 
  side 
  with 
  a 
  bare 
  space 
  between, 
  but 
  on 
  the 
  sixth 
  the 
  row 
  is 
  

   continuous 
  ; 
  on 
  the 
  overlaps 
  of 
  1-4 
  there 
  is 
  at 
  most 
  one 
  bristle, 
  of 
  tergite 
  5 
  about 
  

   half 
  a 
  dozen, 
  of 
  tergite 
  6 
  about 
  10 
  ; 
  on 
  tergite 
  7 
  there 
  are 
  upwards 
  of 
  30 
  bristles. 
  

   Medianly 
  the 
  entire 
  venter 
  is 
  densely 
  set 
  with 
  bristles. 
  The 
  free 
  portion 
  of 
  the 
  

   sheath 
  is 
  less 
  than 
  one-third 
  of 
  the 
  base. 
  

  

  Length, 
  about 
  1 
  -4 
  mm. 
  ; 
  alar 
  expanse, 
  about 
  2-8 
  mm 
  

  

  Type 
  $ 
  in 
  the 
  British 
  Museum. 
  

  

  Bred 
  from 
  Trioza 
  citri, 
  Laing, 
  attacking 
  Citrus. 
  

  

  Kenya 
  Colony: 
  Kabete, 
  1920 
  (F. 
  W. 
  Dry). 
  

  

  Genus 
  Chiloneurus, 
  Westw. 
  

   Chiloneurus, 
  Westwood, 
  Phil. 
  Mag., 
  iii, 
  p. 
  343, 
  1833. 
  

  

  Chiloneurus 
  praenitens, 
  sp. 
  nov. 
  

  

  $. 
  A 
  small 
  species, 
  with 
  pale 
  head 
  and 
  thorax 
  and 
  dark 
  abdomen. 
  The 
  scape 
  is 
  

   greatly 
  dilated. 
  

  

  Head, 
  propodeon 
  and 
  abdomen 
  shining, 
  thorax 
  dull. 
  Head 
  and 
  thorax 
  mainly 
  

   clear 
  light 
  brown 
  (honey-coloured), 
  eyes 
  chocolate 
  coloured 
  ; 
  antennae 
  as 
  in 
  fig. 
  4, 
  a. 
  

   Pronotum 
  with 
  a 
  minute 
  dark 
  spot 
  at 
  each 
  lateral 
  angle 
  and 
  a 
  large 
  one 
  antero- 
  

   medianly 
  above 
  the 
  neck, 
  occupying 
  two-fifths 
  of 
  the 
  breadth 
  and 
  three-fifths 
  of 
  the 
  

   length. 
  The 
  posterior 
  dark 
  band 
  on 
  the 
  mesoscutum 
  is 
  completely 
  transverse 
  and 
  

   occupies 
  about 
  one-fourth 
  of 
  the 
  length. 
  Propodeon 
  darker 
  than 
  the 
  rest 
  of 
  the 
  

   thorax. 
  Fore 
  and 
  mid 
  coxae 
  very 
  pale, 
  those 
  of 
  the 
  mid 
  legs 
  faintly 
  embrowned. 
  

   Legs 
  otherwise 
  pale, 
  with 
  the 
  following 
  exceptions 
  : 
  fore 
  femur 
  (narrowly) 
  above, 
  

   mid 
  femur 
  shortly 
  preapically 
  (very 
  faintly) 
  brown, 
  a 
  dark 
  spot 
  superiorly 
  near 
  base 
  

   of 
  the 
  tibia. 
  Heavy 
  tarsal 
  spines 
  all 
  pale. 
  Hind 
  legs 
  with 
  femur 
  dorsally, 
  indistinctly 
  

   and 
  faintly, 
  darker 
  ; 
  tibia 
  with 
  two 
  faint 
  spots, 
  one 
  at 
  one-third, 
  the 
  other 
  at 
  two- 
  

   thirds, 
  apex 
  of 
  tibia 
  very 
  pale. 
  Fore 
  wing 
  practically 
  hyaline 
  as 
  far 
  as 
  the 
  uprise 
  

   of 
  the 
  submarginal 
  to 
  the 
  marginal, 
  i.e., 
  the 
  radical 
  spot 
  is 
  nearly 
  absent 
  ; 
  the 
  

  

  (6160) 
  d 
  

  

  