Hatch Chart of Tokyo – Mountain Creeks

 Große_Eintagsfliege,_mayfly,_Ephemera_danica_2011-05-03_IMG_1125_EDIT2_SQUARE_CUT_1600x1600

Season

Pattern Size Colour MAR APR MAY JUN JUL AUG SEP
Chironomid  #22 brown X
Crane Fly  #18 pale blue
white
X
Stonefly Small 1  #18 black X  X  X
Stonefly Small 2  #18 pale green  X  X  X
Stonefly Large #14 pale yellow X X X X
Caddisfly Small  #18 brown X  X  X  X
Mayfly Small 1  #18 brown X X  X  X  X
Mayfly Small 2  #18 yellow green X  X  X  X  X  X
Mayfly Large  #14 brown  X  X  X  X  X