Learn/Fly Box/Dry fly/Mayfly Dun
Mayfly Dun
Dry fly

Mayfly Dun

TroutSurface

The mayfly emerges low and hesitant, sitting heavy in the film — this dun pattern captures that vulnerable moment before the wings dry and the insect gains the air.

Fish this when

Late May and June on chalk streams and rivers. Fish it to a rise during the hatch, or as a searching dry when mayflies are cascading out of the water.

Why it works

The density and profile of this dun imitate the newly-emerged mayfly before its wings dry — the moment when trout take them with greatest confidence.

Typical zone & fishable range
usually
Surface
Film
Subsurface
Deep
Setup sensitivity: medium
Hook range#10–14
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