The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
This specimen was collected along with a female. The forewing venation and styliger plate of the male give a confident identification as Tricorythodes explicatus according to Baumgardner 2009.
This mayfly was collected from the Bitterroot River in Montana on September 6th, 2021 and added to Troutnut.com by Troutnut on September 8th, 2021.