Blue-winged Olives
Baetis
Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
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This specimen keys to the Epeorus albertae group of species. Of the five species in that group, the two known in Washington state are Epeorus albertae and Epeorus dulciana. Of the two, albertae has been collected in vastly more locations in Washington than dulciana, suggesting it is far more common. On that basis alone I'm tentatively putting this nymph in albertae, with the large caveat that there's no real information to rule out dulciana.
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This topic is about the Caddisfly Species Macrostemum zebratum
The "Zebra Caddis" is one of the most well-known caddisfly species, and one of the largest to produce high intensity hatches on our trout streams.It is also an important species for smallmouth bass. Gary LaFontaine wrote in Caddisflies about encountering Macrostemum zebratum on a large smallmouth river:
I never caught so many smallmouth bass on a fly rod before in my life.
Lastchance on Aug 4, 2008August 4th, 2008, 1:24 pm EDT
Is there a photo of one? I've never heard of them or perhaps I know them by a different name.
Taxon on Aug 4, 2008August 4th, 2008, 5:52 pm EDT