﻿INVESTIGATIONS 
  INTO 
  THE 
  BIONOMICS 
  OF 
  GLOSSINA 
  PALPALIS. 
  

  

  413 
  

  

  character 
  collected 
  are, 
  in 
  part, 
  presented 
  in 
  Table 
  XXVII. 
  They 
  are 
  mainly 
  

   interesting 
  on 
  account 
  of 
  the 
  much 
  lower 
  percentage 
  of 
  late 
  stages 
  on 
  the 
  island 
  

   of 
  Kimmi 
  in 
  March 
  1914 
  than 
  during 
  the 
  previous 
  January. 
  In 
  this 
  specific 
  case 
  

  

  Table 
  XXVI. 
  

  

  Showing 
  Number 
  of 
  Puparia 
  of 
  Glossina 
  palpalis 
  that 
  may 
  be 
  found 
  per 
  Boy 
  

   Hour 
  in 
  Attractive 
  Breeding 
  Grounds 
  on 
  Islands 
  in 
  Victoria 
  Nyanza. 
  

  

  Island. 
  

  

  Date. 
  

  

  Find 
  of 
  Healthy 
  Puparia. 
  

  

  Gross. 
  

  

  Per 
  boy 
  per 
  hour. 
  

  

  Maxim. 
  

  

  Average. 
  

  

  Tavu 
  . 
  . 
  

   Wema 
  . 
  . 
  

   Zinga 
  . 
  . 
  

   Damba 
  . 
  

   Yempaita 
  

   Nsadzi 
  

  

  January 
  1914 
  

  

  586 
  

  

  268 
  

  

  February 
  ,, 
  

  

  1775 
  

  

  196 
  

  

  September 
  ,, 
  

  

  144 
  

  

  247 
  

  

  February 
  ,, 
  

  

  797 
  

  

  71 
  

  

  ,5 
  55 
  . 
  • 
  . 
  . 
  

  

  445 
  

  

  211 
  

  

  ,5 
  ,5 
  . 
  . 
  . 
  . 
  

  

  133 
  

  

  46 
  

  

  65-1 
  

   34-2 
  

  

  39-3 
  

   49-3 
  

   16-8 
  

  

  Table 
  XXVII. 
  

  

  Showing 
  Variable 
  Proportions 
  of 
  Pupae 
  of 
  Glossina 
  in 
  Late 
  Stages 
  of 
  Develop- 
  

   ment, 
  possibly 
  indicative 
  of 
  a 
  correspondingly 
  Variable 
  Rate 
  of 
  Reproduction. 
  

  

  

  

  

  

  

  Finds 
  of 
  Puparia. 
  

  

  Island. 
  

  

  Date. 
  

  

  Early 
  

  

  stages. 
  

  

  Late 
  

  

  stages. 
  

  

  Per 
  cent, 
  

   of 
  later 
  

  

  stages. 
  

  

  Wema 
  . 
  . 
  

   Yempaita 
  

   Damba 
  . 
  

   Nsadzi. 
  . 
  

   Tavu 
  .. 
  

   Karambide 
  

   Mugogoya 
  

   Zinga 
  . 
  . 
  

   Namba 
  . 
  

  

  >j 
  

   Kimmi 
  . 
  

  

  

  

  February 
  1914 
  . 
  

  

  55 
  55 
  

   55 
  55 
  

   55 
  JJ 
  

  

  September 
  1915 
  . 
  

   1914 
  . 
  

  

  55 
  55 
  

  

  55 
  55 
  • 
  

  

  January 
  „ 
  

   March 
  ,, 
  

   January 
  ,, 
  

   March 
  „ 
  

  

  

  1228 
  

  

  267 
  

  

  349 
  

  

  73 
  

  

  320 
  

  

  6 
  

  

  12 
  

   92 
  

   18 
  

   30 
  

   101 
  

   130 
  

  

  447 
  

  

  157 
  

  

  7 
  

  

  43 
  

   79 
  

   25 
  

   5 
  

   52 
  

   6 
  

   12 
  

   87 
  

   25 
  

  

  26-7 
  % 
  

   37-0 
  % 
  

   16-9 
  % 
  

   36-5 
  % 
  

   20-0 
  % 
  

   80-6 
  % 
  

   29-4 
  % 
  

   36-1 
  % 
  

   25-0 
  % 
  

   28-6 
  o 
  /o 
  

   46-3 
  % 
  

   16-1 
  % 
  

  

  Total 
  and 
  Average 
  of 
  total 
  

   Average 
  by 
  Islands 
  

  

  2626 
  

  

  989 
  

  

  27-3 
  % 
  

   33-3 
  % 
  * 
  

  

  * 
  This 
  is 
  unduly 
  high 
  on 
  account 
  of 
  the 
  find 
  on 
  Karambide, 
  where 
  the 
  high 
  percentage 
  

   of 
  late 
  stages 
  was 
  due 
  to 
  the 
  breeding 
  grounds 
  being 
  recently 
  abandoned 
  by 
  flies. 
  

   (695 
  e2 
  

  

  