When to use it
- During a seasonal Sulphur window.
- When size, color, and stage agree with evidence.
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Reviewed representative comparison← Fly Box
Pattern family · guide 43
Sulphur Mayfly Patterns
A pale-mayfly stage family for Sulphur nymphs, emergers, duns, cripples, soft hackles, and spinners.
- Size range
- Often #14–18; verify locally
- Colors reviewed
- pale yellow, cream, orange-yellow, rust spinner
- Imitates
- Sulphur mayfly stages
Sulphur is hatch wording. Nymphs, emergers, Comparaduns, parachutes, traditional dries, soft hackles, and spinners have different silhouettes and depths.
Technical illustration
Representative forms
Sulphur Mayfly Patterns stage map
A family-level comparison of Sulphur nymph, Sulphur emerger, Sulphur dun or spinner; no single drawing represents the whole family.
- View
- stage comparison map
- Color shown
- pale yellow, orange-cream, and rust
- Look for
- slim nymph; pale emerger; dun or Comparadun; rust spinner
On the water
Narrow the family.
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
- Fish the stage, not just the pale color.
Mistakes to avoid
- Treating Sulphur and PMD as automatic synonyms.
- Showing one pale dry as the whole family.
Variant control
Small changes matter.
This stage comparison keeps materially different forms labeled. It is a family guide, not a claim that one fly represents every stage or local species.
Representative stage forms
Sulphur is hatch wording. Nymphs, emergers, Comparaduns, parachutes, traditional dries, soft hackles, and spinners have different silhouettes and depths.- Colors shown
- pale yellow, cream, orange-yellow, rust spinner
- Weighting
- Weight and buoyancy depend on the life stage and exact named pattern.
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.