Dry FliesMidnight Stalker

Midnight Stalker keeps things minimal: a single layer of black Ultra-Wire forms the body, ribbed with a finer strand of the same black wire, under a sparse starling hackle. Tied on a curved, medium-wire scud hook, it fishes as a slim subsurface pattern rather than a floater. Hans Weilenmann's design relies on the wire's segmentation and the starling's soft fibers to suggest a small dark insect.

Season
Spring, Summer, Fall
Difficulty
Intermediate
Target Species
Trout
Updated
Feb 2026
Midnight Stalker fly pattern - imitates Mayflies, Caddis tied for Trout

Overview

A single layer of black Ultra-Wire wraps the scud hook shank to form a slim, segmented body, with a finer strand of the same wire ribbed over it for extra definition. A sparse starling hackle is wound at the head, its soft, webby fibers pulsing with the slightest current or retrieve. The all-black color scheme and the wire's subtle sheen give the fly a dark, low-profile silhouette suited to imitating small emerging or drowned insects. Hans Weilenmann's pattern is built to be fished subsurface, swung or drifted deep for trout keying on dark, sparse offerings.

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Materials

Hook:
Scud hook, medium wire #14
Thread:
Benecchi 12/0, black
Hackle:
Starling
Body:
Ultra-wire, black, single layer
Rib:
Ultra-wire, fine, black

Behavior & Presentation

Natural Behavior: Dark-bodied adults drift on the surface during low-light periods, silhouettes enhanced against the dim sky. Evening and morning hatches concentrate dark insects.

Where Trout Eat It: Fish patrol feeding lanes targeting dark adults in the upper water column during dawn and dusk.

How to Fish It: Dead drift through prime zones during low-light periods when dark profiles are most visible.

Best Water: Slicks, tail-outs, seams, and foam lines during dawn, dusk, or night fishing.

Strike Type: Confident rises with visible takes as fish key on the dark silhouette against dim light.

Fishing Strategy

Rigging Suggestions: Use a 9-12 foot leader tapering to 5X tippet for delicate presentations. Apply floatant to the body and hackle.

Seasonal Timing: Most effective during peak feeding periods at dawn and dusk. Water temperatures between 45-65°F typically produce best results.

Pro Tips: The darker silhouette is particularly effective during spinner falls when trout key on spent insects in the film. Fish this pattern when standard lighter-colored dries are being refused.

Entomology

Caddisflies dance in mating swarms above the water at dusk, with individuals periodically dropping to the surface and creating spreading rings. Fish patrol beneath these congregations, intercepting fallen or exhausted insects that touch down during their aerial courtship.

Order
Trichoptera
Common Name
Caddisfly
Organism Type
insect
Life Stage
adult

Pattern Characteristics

Intermediate Difficulty
Trout
Moving Water
Stillwater
Spring
Summer
Fall
Imitates: Mayflies, Caddis
Europe
dead-drift
baetis-hatch
caddis-hatch
classic