The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Like most common names,"Blue Quills and Mahogany Duns" can refer to more than one taxon. They're previewed below, along with 6 specimens. For more detail click through to the scientific names.
"The Paraleptophlebia hatches are the seasonal Waterloo of most anglers, for without fine tippets and tiny flies an empty basket is assured."