﻿the 
  Hessian 
  Fly. 
  

  

  857 
  

  

  Date. 
  

  

  Fi 
  

  

  lES. 
  

  

  Parasites 
  

  

  Wind. 
  

  

  Weather. 
  

  

  - 
  1888. 
  

  

  <? 
  

  

  ? 
  

  

  c? 
  

  

  ? 
  

  

  

  

  123 
  

  

  

  

  

  1 
  

  

  

  

  25IC 
  .- 
  27 
  

  

  

  

  

  2 
  

  

  

  

  Nov. 
  26 
  

  

  

  

  1 
  

  

  

  

  

  1889. 
  

  

  

  

  

  

  

  

  May 
  17 
  

  

  

  

  

  

  

  Cool. 
  

  

  18 
  

  

  

  1 
  

  

  

  

  

  

  21 
  

  

  2 
  

  

  

  

  

  

  

  22 
  

  

  1 
  

  

  1 
  

  

  

  

  S.E. 
  

  

  Warm. 
  

  

  23 
  

  

  2 
  

  

  2 
  

  

  

  

  

  Sultry. 
  

  

  24 
  

  

  2 
  

  

  4 
  

  

  

  

  s.w. 
  

  

  Sultry. 
  

  

  25 
  

  

  3 
  

  

  3 
  

  

  

  

  s.w. 
  

  

  Warm. 
  

  

  26 
  

  

  2 
  

  

  

  

  

  s.w. 
  

  

  Wet. 
  

  

  28 
  

  

  2 
  

  

  1 
  

  

  

  

  s.w. 
  

  

  Wet. 
  

  

  29 
  

  

  11 
  

  

  6 
  

  

  

  

  s.w. 
  

  

  Wet 
  and 
  cool. 
  

  

  80 
  

  

  1 
  

  

  2 
  

  

  

  1 
  

  

  

  

  31 
  

  

  3 
  

  

  9 
  

  

  

  

  s.w. 
  

  

  Wet 
  and 
  cool. 
  

  

  June 
  1 
  

  

  3 
  

  

  14 
  

  

  

  

  

  Warm. 
  

  

  2 
  

  

  8 
  

  

  15 
  

  

  

  

  s.w. 
  

  

  Very 
  warm. 
  

  

  3 
  

  

  7 
  

  

  7 
  

  

  

  

  s.w. 
  

  

  

  4 
  

  

  

  9 
  

  

  

  

  s.w. 
  

  

  

  5 
  

  

  3 
  

  

  7 
  

  

  

  

  

  Dull 
  and 
  warm. 
  

  

  6 
  

  

  3 
  

  

  5 
  

  

  

  

  N.E. 
  

  

  Dvll 
  and 
  cool. 
  

  

  7 
  

  

  6 
  

  

  3 
  

  

  4 
  

  

  

  N.E. 
  

  

  Very 
  cold 
  and 
  wet. 
  

  

  8 
  

  

  1 
  

  

  5 
  

  

  2 
  

  

  

  N.E. 
  

  

  Much 
  cooler. 
  [50°. 
  

  

  9 
  

  

  1 
  

  

  2 
  

  

  1 
  

  

  

  N.E. 
  

  

  Very 
  much 
  cooler 
  : 
  

  

  11 
  

  

  3 
  

  

  1 
  

  

  2 
  

  

  

  N.E. 
  

  

  Dull 
  and 
  dark. 
  

  

  12 
  

  

  1 
  

  

  

  1 
  

  

  

  

  

  13 
  

  

  

  1 
  

  

  4 
  

  

  1 
  

  

  N.E. 
  

  

  Dull 
  and 
  dark. 
  

  

  14 
  

  

  

  1 
  

  

  6 
  

  

  1 
  

  

  

  Dull 
  and 
  cold. 
  

  

  15 
  

  

  

  

  8 
  

  

  

  N. 
  

  

  Dull. 
  

  

  16 
  

  

  1 
  

  

  

  3 
  

  

  3 
  

  

  

  

  17 
  

  

  

  

  9 
  

  

  8 
  

  

  N.W. 
  

  

  Warm. 
  

  

  18 
  

  

  1 
  

  

  

  4 
  

  

  2 
  

  

  N.W. 
  

  

  Warm. 
  

  

  19 
  

  

  

  

  6 
  

  

  5 
  

  

  N.E. 
  

  

  

  20 
  

  

  

  

  6 
  

  

  4 
  

  

  N.E. 
  

  

  

  21 
  

  

  

  

  8 
  

  

  8 
  

  

  N.E. 
  

  

  Rain. 
  

  

  22 
  

  

  

  

  6 
  

  

  7 
  

  

  

  

  23 
  

  

  

  

  6 
  

  

  6 
  

  

  N. 
  

  

  Very 
  warm. 
  

  

  24 
  

  

  

  

  2 
  

  

  3 
  

  

  N.E. 
  

  

  Warm. 
  

  

  25 
  

  

  

  

  4 
  

  

  4 
  

  

  N.E. 
  

  

  

  26 
  

  

  

  

  2 
  

  

  4 
  

  

  

  

  27 
  

  

  1 
  

  

  

  3 
  

  

  3 
  

  

  N.E. 
  

  

  Very 
  warm. 
  

  

  28 
  

  

  

  

  2 
  

  

  4 
  

  

  

  

  29 
  

  

  1 
  

  

  

  2 
  

  

  2 
  

  

  

  Very 
  warm. 
  

  

  30 
  

  

  

  

  1 
  

  

  5 
  

  

  

  

  July 
  1 
  

  

  

  

  

  1 
  

  

  N.W. 
  

  

  Cooler. 
  

  

  2 
  

  

  

  

  

  1 
  

  

  

  

  4 
  

  

  

  

  

  4 
  

  

  N. 
  

  

  Cooler. 
  

  

  5 
  

  

  

  

  1 
  

  

  1 
  

  

  S.E. 
  

  

  

  7 
  

  

  

  

  1 
  

  

  5 
  

  

  W. 
  

  

  

  8 
  

  

  

  

  

  2 
  

  

  N.E. 
  

  

  Cool. 
  

  

  2 
  B 
  2 
  

  

  