NymphMercury Baetis
The Mercury Baetis is a versatile nymph that imitates a variety of Baetis (Blue Winged Olive) nymphs. The mercury bead adds flash and weight, making it an excellent choice for fishing deeper pools or faster currents.
Spring, Fall
Intermediate
Trout

Overview
A variation of the Baetis nymph, this fly includes a clear glass bead and slim thread body with fine wire ribbing. Subtle flash and a clean silhouette make it ideal for pressured fish during BWO hatches.
Pattern Characteristics
Materials
Hook: Tiemco 200R (18-22)
Bead: Silver-lined glass bead (extra small)
Thread: Olive UTC 70 Denier
Tail: Black Saddle hackle fibers
Abdomen: BWO Superfine
Wing case: Black Z-lon
Thorax: BWO Superfine
Legs: Black Z-lon
Fishing Tips
Season
This fly excels in the spring and fall during Baetis hatches.
Presentation
Dead drift this fly through deep pools or along seams.
When to Use
Use the Mercury Baetis when you see trout feeding on nymphs just below the surface.
Water Type
This fly is best used in moving water.
Rigging Suggestions
Try rigging this fly in a tandem nymph setup with a heavier point fly to get it down deep.
Visibility & Floatation
The mercury bead adds weight to help this nymph sink, and gives off a flash that can attract attention in a variety of water conditions.