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  PROCEEDINGS 
  OF 
  THE 
  FOURTH 
  ENTOMOLOGICAL 
  MEETING 
  

  

  tlie 
  Province, 
  e.g., 
  Hansi, 
  they 
  appear 
  very 
  early 
  and 
  have 
  been 
  collected 
  

   in 
  July 
  and 
  August. 
  At 
  Ferozepur 
  they 
  are 
  seen 
  in 
  September 
  and 
  

   October. 
  At 
  Lyallpur 
  we 
  get 
  them 
  from 
  November 
  to 
  January. 
  

  

  Paralyzing 
  the 
  caterpillar 
  of 
  E 
  arias. 
  To 
  study 
  the 
  process 
  of 
  stinging, 
  

   the 
  female 
  Microbracons 
  were 
  introduced 
  singly 
  into 
  the 
  excavated 
  glass 
  

   blocks 
  mentioned 
  above, 
  and 
  caterpillars 
  of 
  Farias 
  were 
  put 
  in, 
  one 
  at 
  

   a 
  time. 
  As 
  soon 
  as 
  the 
  female 
  discovered 
  a 
  bollworm 
  in 
  her 
  proximity 
  

   it 
  prepared 
  for 
  the 
  attack. 
  The 
  bollworm 
  as 
  compared 
  to 
  the 
  Braconid 
  

   is 
  a 
  fair-sized 
  object, 
  and 
  moves 
  about 
  quite 
  quickly 
  in 
  the 
  hollow 
  

   of 
  the 
  glass 
  block, 
  and 
  it 
  must 
  be 
  said 
  that, 
  taking 
  everything 
  into 
  

   consideration, 
  the 
  stinging 
  is 
  very 
  cleverly 
  done. 
  The 
  whole 
  process 
  

   may 
  be 
  described 
  as 
  follows 
  : 
  — 
  

  

  The 
  female 
  Microhracon 
  approaches 
  the 
  host 
  quickly 
  and 
  cautiously, 
  

   folds 
  its 
  wings 
  over 
  the 
  back, 
  spreads 
  its 
  legs 
  to 
  get 
  a 
  firm 
  hold 
  ; 
  it 
  then 
  

   bends 
  its 
  abdomen 
  forward 
  between 
  the 
  legs 
  and 
  under 
  the 
  thorax 
  

   and 
  quickly 
  daxts 
  its 
  ovipositor 
  into 
  the 
  body 
  of 
  the 
  bollworm 
  towards 
  

   the 
  ventral 
  side. 
  The 
  parasite 
  avoids 
  the 
  close 
  proximity 
  of 
  the 
  host 
  

   and 
  after 
  stinging 
  quickly 
  moves 
  off. 
  

  

  It 
  is 
  generally 
  in 
  the 
  region 
  of 
  the 
  abdomen 
  that 
  the 
  caterpillar 
  is 
  

   stung, 
  but 
  sometimes 
  it 
  is 
  the 
  thoracic 
  region 
  and 
  not 
  infrequently 
  it 
  is 
  

   the 
  cephalic 
  region 
  which 
  receives 
  the 
  sting. 
  

  

  If 
  properly 
  done 
  a 
  single 
  injection 
  is 
  sufficient 
  to 
  stop 
  all 
  movements 
  

   of 
  the 
  caterpillar 
  ; 
  at 
  any 
  rate, 
  two 
  or 
  three 
  attacks 
  render 
  the 
  host 
  

   incapable 
  of 
  motion. 
  The 
  caterpillar 
  when 
  stung 
  shows 
  convulsive 
  

   movements 
  but 
  they 
  usually 
  last 
  for 
  a 
  very 
  short 
  time. 
  In 
  some 
  cases, 
  

   however, 
  slight 
  convulsive 
  movements 
  have 
  been 
  observed 
  in 
  a 
  paralyzed 
  

   worm 
  24 
  or 
  even 
  36 
  hours 
  after 
  the 
  attack. 
  

  

  The 
  female 
  continues 
  to 
  sting 
  the 
  paralyzed 
  host 
  and 
  sometimes 
  

   it 
  stings 
  it 
  repeatedly 
  at 
  the 
  same 
  place. 
  The 
  object 
  of 
  this 
  process 
  

   is 
  not 
  very 
  clear 
  ; 
  it 
  is 
  certainly 
  not 
  to 
  paralyze 
  the 
  host. 
  And 
  the 
  

   following 
  observation 
  shows 
  that 
  it 
  is 
  probably 
  to 
  obtain 
  food. 
  After 
  

   drilling 
  a 
  hole 
  by 
  the 
  repeated 
  action 
  of 
  its 
  ovipositor 
  into 
  the 
  body 
  of 
  

   the 
  caterpillar 
  the 
  female 
  has 
  been 
  seen 
  to 
  lick 
  the 
  liquids 
  oozing 
  out 
  of 
  

   these 
  punctures. 
  The 
  same 
  thing 
  has 
  been 
  noticed 
  in 
  some 
  Chalcidids. 
  

   It 
  seems 
  probable 
  that 
  in 
  the 
  laboratory 
  the 
  food 
  obtained 
  by 
  the 
  insect 
  

   by 
  this 
  method 
  is 
  quite 
  sufficient 
  for 
  it. 
  

  

  When 
  a 
  caterpillar 
  is 
  completely 
  paralyzed 
  its 
  legs 
  lose 
  their 
  hold 
  

   and 
  are 
  slightly 
  raised 
  up. 
  The 
  prolegs 
  remain 
  fixed. 
  in 
  their 
  position, 
  

   obtaining 
  a 
  firm 
  hold 
  by 
  means 
  of 
  their 
  booklets. 
  

  

  The 
  juices 
  of 
  the 
  body 
  of 
  the 
  caterpillar 
  remain 
  intact 
  but 
  in 
  some 
  

   cases 
  of 
  vigorous 
  stinging 
  the 
  convulsive 
  movements 
  are 
  so 
  strong 
  that 
  

   some 
  liquid 
  is 
  forced 
  out 
  through 
  the 
  mouth 
  or 
  anus. 
  

  

  