for the hendrickson?
Zero,
????
Looks good. Recipe?
Joe
Zerosleep, flav, short for flavilinea, is a Western hatch. This pattern might work for you on Eastern streams when any of a number of mayflies lumped together as blue winged olive are hatching.
I can think of few acts more selfish than refusing a vaccination.
Joe,
Wood duck fibers for tail with a touch of Zelon on top.
Olive goose quill for abdomen.
Dark pardo CDC for wing.
Dark partridge for throat.
Golden olive dubbing for thorax/head.
Tied on size 16 200R hook