Dry FliesMidnight Stalker
The Midnight Stalker is a dry fly pattern designed by John Ridderbos. This effective pattern combines traditional materials with proven techniques for consistent results in a variety of water conditions.
Spring, Summer, Fall
Intermediate
Trout
Feb 2026
Overview
John Ridderbos' Midnight Stalker is a dark-bodied pattern designed for low-light fishing scenarios. The solid silhouette and pronounced hackle create strong visual contrast against evening skies. Its durable construction withstands aggressive strikes from trout feeding confidently in darkness. The pattern excels during late-evening caddis and mayfly activity when fish key on dark profiles. The balanced design maintains proper flotation even after multiple fish.
Materials
Hook: Partridge YK4A #14 (or similar scud hook)
Thread: Sparton 6/0, black
Hackle: Starling
Abdomen: Ultra-wire, fine, black, single layer
Rib: Ultra-wire, fine, black
Thorax: Heron, dyed black (or substitute)
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