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High-magnification polarized-light photograph of a translucent damselfly larva against black with six legs and three tail gills visibleRepresentative photo · one form in this family

Fly family · guide 96

Damselfly Nymph Patterns

A slender stillwater-and-slow-water nymph family with a narrow body and three leaf-like tail gills.

Size range
Match local nymphs; a #10 tying example is documented
Common colors
olive, brown, chartreuse-olive
Imitates
damselfly nymph
How to recognize it

Damselfly nymphs are long and slim, usually olive or brown, and materially narrower than dragonfly nymphs. Balanced, bead-chain, marabou, and unweighted patterns remain labeled variants.

High-magnification polarized-light photograph of a translucent damselfly larva against black with six legs and three tail gills visible
Representative photo · one form in this family

Damselfly Larva Anatomy

Natural-larva reference under specialized lighting—not an artificial fly or a natural-color chart. The source identifies a damselfly larva but not its species; polarized colors come from the imaging method.

View
family comparison — damselfly larva under dark-field polarized light
Color shown
translucent pale yellow with blue-violet polarized highlights
Look for
The high-contrast underside view makes the large eyes, six legs, slim abdomen, and three long leaf-like tail gills immediately readable.
Open full-size photo ↗

On the water

Choose the right version.

Use these tips as a starting point. The river, depth, insects, and fish behavior still decide the final presentation.

01

Why it works

  • A damselfly-nymph imitation presents a long narrow body, small wing-pad and leg cues, and three terminal-gill or tail-like elements that separate it from a stockier dragonfly nymph.
  • Sparse flexible materials can preserve the natural's slim swimming outline and gentle pulse, while an oversized thorax or fast strip can destroy that distinction.
  • Green and brown natural references show why the family should not collapse into one bright olive recipe; local vegetation, water, and the exact artificial still control the useful choice.
02

When to use it

  • Around weedbeds, lake margins, ponds, spring areas, and slower river pools where damselfly nymphs are confirmed or strongly supported by local evidence.
  • During a documented nymph movement or when fish are feeding along vegetation and a slender swimming Odonata profile is more credible than a broad dragonfly nymph.
  • Choose olive, brown, muted green, or another shade only after checking local naturals or a reliable current report; none of the photographs establishes a universal color.
03

How to fish it

  • Use an intermediate, suspended, or lightly weighted presentation that keeps the fly close to vegetation without burying its slim profile in bottom debris.
  • Retrieve with short gentle pulses and pauses, allowing flexible tail-gill and body materials to move without an aggressive streamer cadence.
  • Match bead-chain, bead, unweighted, marabou, or ostrich construction to the exact depth and pattern, and keep that construction labeled because no artificial is pictured here yet.
04

Mistakes to avoid

  • Using a stocky dragonfly-nymph image for a damsel.
  • Treating an adult damselfly dry as the same stage.

Make the choice

Choose the form before the color.

A family name is only a starting point. Use the waterline, construction, and observed food to narrow it to the form that fits the river.

  1. Use the polarized-light photograph for diagnostic anatomy—large eyes, six legs, slim abdomen, and three long tail gills—not for natural color.
  2. Use Erythromma najas for one source-identified bright-green form with a long narrow body; it is a Dutch species reference, not a North American occurrence claim.
  3. Use the neutral-light brown larva for a mottled, broader-looking specimen and clear wing pads; the source only cautiously suggests a species, so BlueStreamFly keeps it at family level.
  4. Choose the artificial by exact name, silhouette, tail-gill treatment, material movement, and weight. Balanced, bead-chain, marabou, ostrich, and unweighted forms remain unpictured until exact licensed photos pass review.

Common variations

Small changes can make a different fly.

Three verified, non-AI natural-larva photographs show damselfly anatomy under polarized light, a source-identified green Erythromma najas, and a neutral-light brown family-level specimen. They document the natural food form; no artificial nymph, local species, or current migration is visually claimed.

Damselfly-larva anatomy reference

A high-contrast underside view under specialized lighting that isolates the eyes, legs, narrow abdomen, and three tail gills.
Colors shown
translucent pale yellow, polarized blue-violet highlights
Weighting
Natural larva under specialized lighting; no artificial weight or natural color is implied.

Natural Erythromma najas reference

A source-identified green larva photographed from above with a slim abdomen and three tapered gills.
Colors shown
bright green, transparent appendages
Weighting
Natural larva reference; artificial depth control must be chosen separately.

Natural brown damselfly-larva reference

A neutral-light family-level specimen showing mottling, wing pads, leg banding, segmentation, and broad leaf-like gills.
Colors shown
mottled olive-brown, dark banding
Weighting
Natural larva reference; no artificial hook or ballast is implied.

Related patterns

Dragonfly Nymph Patterns ↗Carp Fly Patterns ↗Warmwater Bottom Bug and Swimming Nymph Patterns ↗General Nymph Patterns ↗

How this guide was checked

Fly information and photo sources.

Guide checked on 2026-07-13. Every image has its own source and usage record. Natural insects and hand-tied flies can vary in shape and proportion.

Pattern sources

Orvis NewsDragonfly or Damselfly?↗Orvis NewsHow to Tie a Damselfly Nymph↗

Image credits