Caddis Olive Brown (Size 2-4) Micro Fly This fly is a general-purpose

This fly is a general-purpose attractor

this is the go-to choice for low-water conditions and highly pressured rivers

Mayfly Nymphs – Life Below the Surface

Micro-Vibration Realism: The detailed wings and delicate legs create subtle vibrations and a realistic light-refraction pattern on the surface

Other Value: The key to this fly's success is its realistic imitation of a primary food source

Caddis Olive Brown (Size 2-4) Micro Fly This fly is a general-purposeNote that color and sizes vary based on species, location and geographic conditions. The same applies to mayfly hatching times. Some hatch early, others later; some hatch intensely for a short period, while others hatch over longer periods and in two rounds.