
Sulphur Dun Spinner
Just before darkness approaches, the females usually drop their eggs from
above the water over the riffles and then fall spent on the water. The spinners will
congregate at the ends of the riffles, heads of pools and current eddies.
In many cases, especially on bright, clear days the spinner fall will occur very late
in the day just before dark. On some hot summer days the spinner fall may not
occur until it is dark when the water has cooled down some. It can last into the
first hour or two of the evening.
Spinner Presentation:
A down or down and across presentation of the "Perfect Fly" Sulphur Spinner
pattern works best because you can deliver the imitation from the ends of the
current seams into the slow moving water where the spinners congregate. Use
as long of a leader and tippet as practical. Many use twelve foot leaders/tippets
of a 6X to 7X size.
Keep in mind the spinners will be very difficult to see in some cases, especially
when they hatch near dark. About the only way you can be assured that they are
there is to skim the surface of the water with a net. Of course if there is big hatch
taking place during the day, you can be confident there will be a spinner fall that
day.
Copyright 2009 James Marsh
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