A type of fly that is presented to the fish below the surface of the water, usually with insect-like wings sloped backward. Wet flies are not as popular as they once were and have been largely superseded by nymphs. Found on http://firstcastflyfishing.blogspot.co.uk/p/glossary-of-terms.html
(from the article `fly-tying`) ...imitate a number of insects that are found in trout streams. An entire school of anglers, particularly in England, refuses to fish with anything ... Found on http://www.britannica.com/eb/a-z/w/27
(1) any fly fished below the surface of the water; nymphs and streamers are wet flies (2) a traditional style of fly tied with soft, swept back hackle, and a backward sweeping wing; the forerunner of the nymph and streamer. Found on http://www.orvis.co.uk/intro.aspx?subject=107
A type of fly that is presented to the fish below the surface of the water, usually with insect-like wings sloped backward. Wet flies are not as popular as they once were and have been largely superceded by nymphs. Found on https://www.encyclo.co.uk/local/22491
any fly fished below the surface of the water; nymphs and streamers are wet flies. Also a traditional style of fly tied with soft, swept back hackle, and a backward sweeping wing; the forerunner of the nymph and streamer. Found on https://www.encyclo.co.uk/local/22502