Copper John

Imitates: Mayfly nymph
Sizes: 12-20
Originator: John Barr
Kind: Nymph

Tied with

Hook: 2X long nymph, 12-20
Bead: Gold tungsten
Thread: Black 8/0
Tail: Brown goose biots
Abdomen: Copper wire, touching turns
Wing case: Thin skin over pearl Flashabou, coated in resin
Thorax: Peacock herl
Legs: Brown hen back

Seeded and shared, like the fly itself. Tyers vary a recipe and this is the one it was written down as, under the name of whoever wrote it.

Where it has worked

No report on this site has named it yet. When somebody files one and picks it off the list, the water and the month appear here. Nobody votes for a fly directly; the only way onto this list is a dated report from a day on the water.

Nobody can add a fly to this list from a form. It is seeded and shared, so that one fly is one row on every river on earth and a count is worth what it says. Fished something not on it? Put it in your report’s notes, in words, and it can be added.