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 seems to be a young larva of Limnephilus. Although not clear in the picture, several ventral abdominal segments have chloride epithelia.
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Millcreek on Oct 23, 2015October 23rd, 2015, 5:16 pm EDT
These two Rhyacophila species were collected from Mill Creek, a tributary of the Russian River. The first is probably a member of the Rhyacophila hyalinata group and the second is probably a member of the Rhyacophila betteni group.
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
-Albert Einstein
Taxon on Oct 23, 2015October 23rd, 2015, 9:21 pm EDT
Very interesting and instructive photos, Mark. Thanks for sharing.
Millcreek on Oct 24, 2015October 24th, 2015, 6:53 am EDT
Glad you enjoyed them, Roger.
Mark
Mark
"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein
-Albert Einstein