Hatches Made Easy:

Eastern Pale Evening Duns - (Ephemerella invaria) Duns and
Spinners

03/27/08

Duns:
The Eastern Pale Evening Duns have yellowish tan to olive colored bodies with
tan to gray wings. They stay on the surface only a very short time as a general
rule.  Remember, these mayflies are not going to hatch in the fast runs and
riffles that are common in the park.

Dun Presentation:
Short, upstream or up and across cast, picked up and recast to new areas of  
water may provide some action with the dry dun imitation provided you are
fishing the right type of water during the hatch.  The trout usually take the dun
imitations very aggressively.

Spinners:
Mating takes place near the banks and vegetation. Female spinners usually fall
just about dark, but usually not in great numbers. This means you are going to
miss the spinner fall in many cases due to the parks fishing hours. If it is very
cloudy or raining lightly, you may be able to fish it. The spinner fall starts earlier
under these types of conditions.
The males rarely fall on the water and the spinner fall is usually fairly sparse.
You should fish the heads of pools and eddies where the spinners congregate.
Spinners have light brown to tan bodies with hyaline wings. They are almost
impossible to see on the water.

Spinner Presentation:
A down or down and across presentation of the spinner that is allowed to drift
into the calmer water is usually the best method of presentation. In the slow
moving water, the idea is to let the trout see the fly before you spook them with
your leader, tippet or fly line.  

Coming Up Next:
Pale Evening Dun - Fly Pattern Colors

Copyright 2008 James Marsh

Ephemerella