﻿436 
  J. 
  W. 
  S. 
  MACFIE 
  AND 
  A. 
  INGRAM. 
  

  

  1 
  to 
  1 
  -2. 
  The 
  cephalothoracic 
  setae 
  are 
  small 
  and 
  call 
  for 
  no 
  special 
  mention 
  ; 
  but 
  

   the 
  postero-thoracic 
  setae 
  are 
  moderately 
  well 
  developed, 
  the 
  internal 
  being 
  composed 
  

   of 
  about 
  half 
  a 
  dozen 
  hairs, 
  and 
  the 
  other 
  two 
  apparently 
  each 
  of 
  two 
  hairs. 
  

  

  Abdomen. 
  The 
  paddles 
  are 
  of 
  moderate 
  size 
  and 
  are 
  relatively 
  broad 
  ; 
  length 
  

   about 
  0-7 
  mm., 
  greatest 
  breadth 
  about 
  0-5 
  mm. 
  The 
  external 
  buttress 
  is 
  poorly 
  

   developed 
  and 
  denticulated. 
  The 
  midrib 
  is 
  well 
  developed. 
  The 
  hairs 
  at 
  the 
  distal 
  

   end 
  of 
  the 
  midrib 
  are 
  two, 
  single, 
  both 
  very 
  small 
  and 
  measuring 
  about 
  50 
  fi 
  and 
  25 
  fi 
  

   in 
  length 
  respectively. 
  There 
  is 
  no 
  fringe. 
  

  

  Fig. 
  21. 
  Pupal 
  trumpets 
  of 
  : 
  a, 
  Culex 
  ingrami, 
  Edw. 
  ; 
  

   b, 
  C. 
  deceits, 
  Theo. 
  

  

  The 
  abdominal 
  setae 
  are 
  similar 
  to 
  those 
  of 
  C. 
  decens. 
  The 
  lateral 
  setae 
  on 
  

   segment 
  viii 
  are 
  tufts, 
  rather 
  more 
  than 
  one-quarter 
  the 
  length 
  of 
  the 
  paddles, 
  

   composed 
  of 
  eight 
  or 
  nine 
  rather 
  stout 
  subplumose 
  hairs, 
  some 
  of 
  which 
  are 
  branched 
  ; 
  

   on 
  segment 
  vii 
  similar 
  but 
  rather 
  smaller 
  tufts 
  of 
  five 
  hairs, 
  which 
  are 
  also 
  subplumose 
  

   and 
  usually 
  branched 
  ; 
  on 
  segments 
  iii 
  to 
  vi 
  delicate 
  tufts 
  of 
  five 
  simple 
  slender 
  

   hairs. 
  The 
  sublateral 
  dorsal 
  setae 
  on 
  segments 
  v 
  and 
  vi 
  are 
  long, 
  double 
  (but 
  one 
  

   branch 
  subdivided 
  on 
  one 
  side 
  of 
  segment 
  v) 
  hairs 
  reaching 
  a 
  little 
  beyond 
  the 
  posterior 
  

   margin 
  of 
  the 
  following 
  segment 
  ; 
  on 
  segment 
  vii 
  short 
  single 
  or 
  double 
  hairs 
  ; 
  and 
  

   on 
  segment 
  iv 
  long 
  quadruple 
  hairs 
  reaching 
  right 
  across 
  the 
  following 
  segment. 
  

   The 
  submedian 
  setae 
  are 
  tufts 
  increasing 
  in 
  size 
  from 
  small 
  tufts 
  of 
  four 
  hairs 
  on 
  

   segment 
  vii 
  to 
  large 
  tufts 
  of 
  about 
  nine 
  hairs 
  on 
  segment 
  iv 
  and 
  of 
  about 
  fifteen 
  

   hairs 
  on 
  segment 
  iii. 
  On 
  segment 
  viii 
  the 
  seta 
  P 
  at 
  the 
  root 
  of 
  the 
  paddle 
  is 
  slender 
  

   and 
  double. 
  On 
  segment 
  ii 
  the 
  seta 
  A' 
  is 
  long, 
  as 
  in 
  C. 
  decens. 
  The 
  dendritic 
  tufts 
  

   on 
  segment 
  i 
  are 
  well 
  developed. 
  The 
  other 
  abdominal 
  setae 
  do 
  not 
  call 
  for 
  special 
  

   mention. 
  

  

  Diagnosis. 
  — 
  This 
  pupa 
  closely 
  resembles 
  that 
  of 
  C. 
  decens, 
  but 
  so 
  far 
  as 
  can 
  be 
  

   judged 
  from 
  a 
  single 
  specimen, 
  differs 
  from 
  it 
  in 
  that 
  the 
  respiratory 
  trumpets 
  have 
  

   smaller 
  apertures 
  (fig. 
  21) 
  and 
  the 
  lateral 
  setae 
  on 
  segments 
  iii 
  to 
  v 
  have 
  rather 
  more 
  

   hairs. 
  It 
  resembles 
  also 
  the 
  pupae 
  of 
  C. 
  guiarti 
  and 
  C. 
  grahami, 
  the 
  most 
  notable 
  

   difference 
  being, 
  perhaps, 
  in 
  the 
  length 
  of 
  the 
  sublateral 
  setae 
  on 
  segments 
  v 
  and 
  vi, 
  

   which 
  are 
  rather 
  longer 
  than 
  one 
  abdominal 
  segment, 
  but 
  not 
  as 
  long 
  (or 
  nearly 
  as 
  

   long) 
  as 
  two, 
  as 
  they 
  are 
  in 
  these 
  two 
  species. 
  

  

  Habitat. 
  — 
  Near 
  Dodowah, 
  14. 
  i. 
  1922, 
  in 
  a 
  small 
  pool 
  in 
  a 
  borrow-pit 
  close 
  to 
  a 
  

   native 
  village. 
  

  

  Culex 
  grahami, 
  Theo. 
  

  

  Larva. 
  — 
  The 
  larva 
  of 
  this 
  mosquito, 
  which 
  was 
  described 
  by 
  Wesche 
  (Bull. 
  

   Ent. 
  Res. 
  i, 
  p. 
  46) 
  under 
  the 
  name 
  C. 
  pidlatus, 
  Graham, 
  is 
  re-described 
  here 
  in 
  

   rather 
  greater 
  detail 
  in 
  order 
  that 
  a 
  comparison 
  may 
  be 
  made 
  with 
  the 
  larva 
  of 
  C. 
  

   guiarti, 
  Blanch. 
  The 
  larva 
  is 
  about 
  4-5 
  mm. 
  in 
  length 
  when 
  fully 
  grown, 
  and 
  has 
  

   a 
  very 
  long 
  siphon 
  (over 
  3 
  mm.). 
  In 
  water 
  it 
  rests 
  with 
  the 
  siphon 
  nearly 
  vertical 
  

   and 
  the 
  body 
  almost 
  at 
  a 
  right 
  angle 
  to 
  it, 
  and 
  with 
  the 
  head 
  bent 
  downwards. 
  

  

  