The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
This is the first of it's family I've seen, collected from a tiny, fishless stream in the Cascades. The three species of this genus all live in the Northwest and are predators that primarily eat stonefly nymphs Merritt R.W., Cummins, K.W., and Berg, M.B. (2019).
Konchu on Nov 6, 2010November 6th, 2010, 2:56 am EDT
Some of those with a persuasion towards literature will appreciate this nugget of trivia I just gleaned from some pleasure reading (if you did not know it already).
Walton's The Compleat Angler is the third most-published work of English literature, behind the Bible and the "compleat" works of Wm Shakespeare.