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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Bugtography has attached this picture to aid in identification. The message is below.
Bugtography on Apr 19, 2011April 19th, 2011, 4:53 pm EDT
Photo taken in Elkton, Oregon - September 03, 2010. I believe it's a White Miller, and was wondering if it could be ID'ed to species.
Thanks,
Phil
Thanks,
Phil
Bugtography
Taxon on Apr 19, 2011April 19th, 2011, 8:18 pm EDT
Phil-
I also believe it to be family Leptoceridae, genus Nectopsyche (White Miller). However, species identification would likely require it being physically examined under a microscope by an expert like Dave Ruiter. To my knowledge, there are records of only two species in OR, but it is always possible for it to be a species which has not previously been recorded for OR. How am I doing, Dave :-)
Regarding your question of whether the darker gray on the apical 4th or so of the wing is natural, my belief is that what you are seeing is shorter hind wings being overlapped by longer fore wings, and that this becomes more obvious under certain lighting conditions.
I also believe it to be family Leptoceridae, genus Nectopsyche (White Miller). However, species identification would likely require it being physically examined under a microscope by an expert like Dave Ruiter. To my knowledge, there are records of only two species in OR, but it is always possible for it to be a species which has not previously been recorded for OR. How am I doing, Dave :-)
Regarding your question of whether the darker gray on the apical 4th or so of the wing is natural, my belief is that what you are seeing is shorter hind wings being overlapped by longer fore wings, and that this becomes more obvious under certain lighting conditions.
Bugtography on Apr 20, 2011April 20th, 2011, 7:26 am EDT
Thanks much, Roger.
Cheers,
:-P)
Cheers,
:-P)
Bugtography
Creno on Apr 20, 2011April 20th, 2011, 2:28 pm EDT
Roger - you are now "king of the lab" Except the "expert like Dave Ruiter" stuff. He gave up on Nectopsyche adults along time ago - there are a couple species he can easily distinguish with a scope but otherwise he cannot tell them apart. even with a scope.
Taxon on Apr 20, 2011April 20th, 2011, 3:46 pm EDT
Yeah right, Dave. The real expert "doth protest too much, methinks."
Jesse on Apr 21, 2011April 21st, 2011, 12:47 pm EDT
Got to be a common house moth!?
Most of us fish our whole lives..not knowing its not the fish that we are after.
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