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WESTERN MAYFLY DESCRIPTION
From Selective Trout — Doug Swisher and Card Richards
| Epeorus Longimanus | (Slate Brown Dun or Slate-wing Drakes) | (size 14) |
|---|---|---|
| NYMPH: | Habitat, small to medium size streams above 5,000 ft. on large rocks | |
| Body: | Dark grayish brown, light brown underneath | |
| Wing Pads: | Dark brownish black | |
| Tails: | Tan with dark brown markings | |
| Legs: | Tan with dark markings | |
| DUN: | ||
| Body: | Light gray with dark markings on the back | |
| Wing Pads: | Dark gray | |
| Tails: | 2 gray with dark brown markings | |
| Legs: | Tan shading to brown | |
| SPINNER: | ||
| Body: | Pale brownish, although can vary to reddish brown according to locality | |
| Wings: | Hyaline | |
| Tails: | 2 tan mottled |
| Ephemerella inermis (Pale Morning Dun or Olive Quill) | (Late season species) | (size 20-22) |
|---|---|---|
| NYMPH: | Habitat, gravel and aquatic vegetation in all speeds of water | |
| Body: | Dark brownish olive | |
| Wing Pads: Dark olive brown | ||
| Tails: | 3 brown with black bands | |
| Legs: | Brownish olive | |
| DUN: | ||
| Body: | Bright, light olive yellow | |
| Wings: | Light gray | |
| Tails: | 3 tan with dark brown at joinings | |
| Legs: | Light olive | |
| SPINNER: | ||
| Body: | Male-yellowish brown | |
| Female-yellowish olive | ||
| Wings: | Hyaline | |
| Tails: | 3 light tan with brown joinings | |
| Legs: | Olive tan |