Orvis Dark Hendrickson | Dry Flies

Ephemerella Subvaria Is The Mayfly Genus Most Often Referred To As The Dark Hendrickson. These Are Prolific Mayflies That Are Generally Recognized As The First Large Mayfly Hatch On Eastern Rivers. This Dark Hendrickson Fly Pattern Has Been Around For Years And Is A Standard During This Early Spring Hatch. In Natural.