This is one of the most important stoneflies in Yellowstone National Park
They are present in the streams and in very abundant quantities. They exist in most of all, if not all of them. Selecting a fly to imitate them is a much simpler process than selecting them for mayflies or caddisflies. They have only two stages of life anglers are interested in – the nymph and the adults.
In some cases we offer a suggested spent pattern to imitate the adults after they have died and fell spent on the water. Many of them don’t fall on the water, they fall on the banks.
By far the most important stage to imitate is the nymph. That is because they all crawl out of the water to hatch. The only time the adults are going to be on the water again is when the female deposits her eggs or when the male falls into the water after completing his function in life. Often, depending on the species, this occurs in the dark, at night. Imitating the egg layers can be effective and a fun thing to do if everything is right for it but that is not very often.
Perlidae Family Golden Stoneflies:
Nymph:
Perfect Fly Golden Stonefly Nymph
Hook Size 12
Adult:
Perfect Fly – Golden Adult Stonefly
Hook Size 12
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Perlodidae Little Yellow Stoneflies (Yellow Sally)
Copyright 2012 James Marsh
Click below for a list of flies:
Mayflies
Caddisflies
Stoneflies
Midges
Streamers
Terrestrials
