Found it here; skipped the CdC underwing (no particular reason). Tied here as a Spruce Moth.
hook - Dai Riki 300 #10
thread - UTC 140 cream
body - deer hair
ribbing - tying thread
wing - deer hair
hackle - barred cream
Part 1
Mash barb, start thread at 2/3 mark; wrap to bend and back
Clean, stack a clump of deer hair; trim tips, tie in, allowing hair to encircle shank; wrap to bend and back
Pull fibers forward; tie down/trim
Spiral wrap to bend and back, crisscrossing
Clean. Stack, measure (tips to bend) a clump of deer hair; tie in/trim
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Tie in hackle