﻿370 
  JAMES 
  WATERSTON. 
  

  

  the 
  middle 
  of 
  the 
  anterior 
  edge 
  of 
  this 
  sclerite. 
  Propodaeum 
  with 
  a 
  minute 
  hair 
  

   before 
  the 
  postero-lateral 
  angle 
  (possibly 
  not 
  in 
  $), 
  no 
  trace 
  anteriorly 
  of 
  ridge 
  

   separating 
  notum 
  from 
  pleura 
  ; 
  the 
  sides 
  posteriorly 
  more 
  convergent 
  than 
  in 
  the 
  

   9, 
  and 
  the 
  postero-lateral 
  angles 
  more 
  defined 
  ; 
  the 
  posterior 
  edge 
  more 
  undulated. 
  

  

  Abdomen 
  almost 
  entirely 
  dark, 
  with 
  only 
  an 
  obscurely 
  lighter 
  medio-basal 
  area. 
  

   Segments 
  subequal. 
  In 
  the 
  abdominal 
  chaetotaxy 
  the 
  sexes 
  are 
  similar, 
  the 
  bristles 
  

   or 
  hairs 
  being 
  dispersed 
  in 
  lateral 
  patches 
  about 
  the 
  mid 
  line 
  ; 
  on 
  tergites 
  4 
  and 
  5 
  

   they 
  tend 
  to 
  form 
  regular 
  rows 
  ; 
  on 
  tergites 
  2 
  to 
  4 
  the 
  <J 
  is 
  slightly 
  more 
  setose. 
  On 
  

   each 
  side 
  off 
  the 
  mid 
  line 
  there 
  are 
  bristles 
  as 
  follows 
  : 
  — 
  Tergite 
  1, 
  7 
  to 
  8 
  ; 
  T. 
  2, 
  

   8 
  to 
  10 
  ; 
  T. 
  3, 
  9 
  to 
  11 
  ; 
  T. 
  4, 
  14 
  to 
  17 
  ; 
  T. 
  5, 
  20 
  to 
  21 
  ; 
  T. 
  6, 
  12 
  to 
  13. 
  In 
  the 
  ? 
  

   tergite 
  7 
  bears 
  seven 
  bristles 
  outside 
  the 
  stylet 
  and 
  about 
  fifteen 
  between 
  the 
  stylets 
  ; 
  

   in 
  the 
  $ 
  the 
  bristles, 
  both 
  outside 
  and 
  inside, 
  are 
  more 
  numerous. 
  

  

  Legs 
  : 
  fore 
  legs 
  with 
  ten 
  to 
  eleven 
  short 
  bristles 
  on 
  outer 
  side 
  of 
  the 
  coxae 
  ; 
  femur 
  

   more 
  swollen 
  than 
  in 
  the 
  § 
  ; 
  tarsal 
  joints 
  — 
  15 
  : 
  20 
  : 
  18 
  : 
  26. 
  Mid 
  legs 
  with 
  the 
  

   apical 
  spine 
  of 
  the 
  tibia 
  much 
  frayed 
  ; 
  first 
  tarsal 
  joint 
  with 
  half-a-dozen 
  longish 
  

   hairs 
  beneath 
  ; 
  tarsal 
  joints 
  — 
  45 
  : 
  25 
  : 
  20 
  : 
  30. 
  Hind 
  legs 
  with 
  the 
  tarsal 
  joints 
  as, 
  

   30:28:20:33. 
  

  

  Uganda 
  : 
  Wema 
  Island, 
  Victoria 
  Nyanza, 
  2 
  (J 
  (J 
  and 
  6 
  2$, 
  bred 
  from 
  puparium 
  

   of 
  Glossina 
  palpalis, 
  R.D. 
  (Dr. 
  G.D.H. 
  Carpenter). 
  

  

  Holotype 
  — 
  a 
  $. 
  

  

  Syntomosphyrum 
  phaeosoma, 
  sp. 
  nov. 
  (fig. 
  15), 
  

  

  $. 
  — 
  Similar 
  to 
  S. 
  glossinae, 
  sp. 
  n., 
  but 
  smaller, 
  with 
  shorter 
  and 
  more 
  compact 
  

   antennae. 
  In 
  general 
  less 
  shining 
  and 
  wifch 
  an 
  entirely 
  opaque 
  abdomen. 
  As 
  in 
  

   S. 
  glossinae, 
  the 
  base 
  of 
  the 
  abdomen 
  is 
  smooth 
  (to 
  about 
  the 
  middle 
  of 
  tergite 
  3), 
  

   but 
  the 
  succeeding 
  tergites 
  are 
  considerably 
  roughened 
  (raised 
  reticulate). 
  The 
  

   most 
  appreciable 
  differences, 
  however, 
  are 
  in 
  the 
  antennae 
  (see 
  fig. 
  15, 
  i). 
  

  

  Length, 
  nearly 
  1*3 
  mm. 
  ; 
  alar 
  expanse, 
  nearly 
  2*25 
  mm. 
  

  

  Northern 
  Nigeria 
  : 
  1 
  $ 
  bred 
  with 
  Pleurotropis 
  amaurocoela, 
  sp. 
  n., 
  from 
  the 
  

   cocoon 
  of 
  a 
  Braconid 
  (Apanteles 
  sp.) 
  parasitic 
  on 
  the 
  leaf 
  -roller 
  of 
  cotton 
  (Sylepta 
  

   derogata, 
  ¥.), 
  18.ix.13 
  (Thos. 
  Thornton). 
  

  

  Genus 
  Tetrastichus, 
  Haliday. 
  

  

  The 
  species 
  described 
  below 
  belongs 
  to 
  the 
  section 
  of 
  the 
  genus 
  which 
  has 
  an 
  

   elongated, 
  almost 
  Hyperteles-like 
  abdomen. 
  In 
  general 
  build 
  it 
  resembles 
  

   T. 
  brasiliensis, 
  Ashm. 
  (Mem. 
  Carneg. 
  Mus.,i, 
  p. 
  515, 
  pi. 
  xxxix, 
  fig. 
  2), 
  but 
  differs 
  in 
  

   size, 
  colour, 
  etc. 
  

  

  Tetrastichus 
  melichlorus, 
  sp. 
  nov. 
  (fig, 
  17). 
  

  

  A 
  yellowish 
  or 
  tawny 
  species, 
  with 
  dark 
  head 
  and 
  dusky 
  antennae 
  ; 
  prothorax 
  

   and 
  nearly 
  all 
  of 
  the 
  mesothorax 
  dark, 
  as 
  are 
  also 
  the 
  tip 
  and 
  mid 
  region 
  of 
  the 
  

   abdomen. 
  The 
  propodeal 
  spiracle 
  lies 
  in 
  a 
  dark 
  patch 
  and 
  the 
  caudal 
  spiracle 
  

   likewise 
  is 
  outlined 
  in 
  black. 
  The 
  legs 
  are 
  clear 
  honey-yellow, 
  the 
  hind 
  coxae 
  large 
  

   and 
  coarsely 
  shagreened. 
  

  

  $. 
  — 
  Head 
  longer 
  than 
  deep 
  (5 
  : 
  4). 
  Vertex 
  and 
  frons 
  reticulate, 
  with 
  many 
  bristles, 
  

   -about 
  eight 
  on 
  the 
  occipital 
  edge, 
  with 
  a 
  number 
  below 
  on 
  the 
  occiput 
  itself 
  ; 
  three 
  

  

  