Blue-Winged OliveBaetis spp.

Blue-Winged Olive

Baetis spp. · BWO
Peak: March–NovemberMayflyCool-weather hatch

A small, dark olive mayfly with several generations a year. It hatches best on cool, overcast, drizzly days in spring and fall, often when nothing else is happening.

Best flies for blue-winged olive on this river

Parachute BWO
Overcast afternoons
In the film or just below it
Juju Baetis
Dropper before the hatch
Parachute Adams
A general stand-in

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