When to use it
- In tailwaters and other midge-rich water.
- When fish respond to a sparse dark subsurface profile.
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Reviewed technical illustration← Fly Box
Nymph · guide 27
Black Beauty Midge
Pat Dorsey's sparse black midge-larva or pupa imitation with a fine rib and compact thorax.
- Common size
- #18–24
- Colors reviewed
- black, silver rib, dark thorax
- Imitates
- midge larva, midge pupa
A very slim black thread body, fine silver rib, and small dark thorax define the core Black Beauty. Glass-bead Mercury Black Beauty and flash-wing variants must stay labeled separately.
Technical illustration
Identification views
Black Beauty Midge reviewed side profile
A schematic profile emphasizing very slim thread body and fine silver rib.
- View
- reviewed side profile
- Color shown
- black body, silver rib, dark thorax
- Look for
- very slim thread body; fine silver rib; compact dark thorax; no glass bead in core form
On the water
Understand it. Then fish it.
The river, depth, insects, and fish behavior still decide the final presentation. These are reviewed starting points—not a claim about what is happening today.
How to fish it
- Dead-drift near the feeding depth.
- Use fine tippet and preserve the slim profile.
Mistakes to avoid
- Calling a Mercury Black Beauty the core form.
- Adding bulk that removes the midge silhouette.
Variant control
Small changes matter.
Three reviewed technical illustrations show the identifying profile, construction, and fishing orientation. They are schematic field-guide aids, not photographs.
Reviewed core form
A very slim black thread body, fine silver rib, and small dark thorax define the core Black Beauty. Glass-bead Mercury Black Beauty and flash-wing variants must stay labeled separately.- Colors shown
- black, silver rib, dark thorax
- Weighting
- Weighting is identified when it defines the reviewed form; other bead or weight choices remain labeled variants.
Review trail
Sources, rights, and limits.
Pattern facts were reviewed on 2026-07-12. Every image has its own rights record; photographed hand-tied flies may still vary slightly in proportion.