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 is a striking caddis larva with an interesting color pattern on the head. Here are some characteristics I was able to see under the microscope, but could not easily expose for a picture:
- The prosternal horn is present.
- The mandible is clearly toothed, not formed into a uniform scraper blade.
- The seems to be only 2 major setae on the ventral edge of the hind femur.
- Chloride epithelia seem to be absent from the dorsal side of any abdominal segments.
Based on these characteristics and the ones more easily visible from the pictures, this seems to be Grammotaulius. The key's description of the case is spot-on: "Case cylindrical, made of longitudinally arranged sedge or similar leaves," as is the description of the markings on the head, "Dorsum of head light brownish yellow with numerous discrete, small, dark spots." The spot pattern on the head is a very good match to figure 19.312 of Merritt R.W., Cummins, K.W., and Berg, M.B. (2019). The species ID is based on Grammotaulius betteni being the only species of this genus known in Washington state.
- The prosternal horn is present.
- The mandible is clearly toothed, not formed into a uniform scraper blade.
- The seems to be only 2 major setae on the ventral edge of the hind femur.
- Chloride epithelia seem to be absent from the dorsal side of any abdominal segments.
Based on these characteristics and the ones more easily visible from the pictures, this seems to be Grammotaulius. The key's description of the case is spot-on: "Case cylindrical, made of longitudinally arranged sedge or similar leaves," as is the description of the markings on the head, "Dorsum of head light brownish yellow with numerous discrete, small, dark spots." The spot pattern on the head is a very good match to figure 19.312 of Merritt R.W., Cummins, K.W., and Berg, M.B. (2019). The species ID is based on Grammotaulius betteni being the only species of this genus known in Washington state.
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Oldredbarn has attached this picture. The message is below.
Oldredbarn on Mar 11, 2014March 11th, 2014, 9:22 am EDT
Joe Humphreys, Eric Stroup, and Landon Mayer.
"Even when my best efforts fail it's a satisfying challenge, and that, after all, is the essence of fly fishing." -Chauncy Lively
"Envy not the man who lives beside the river, but the man the river flows through." Joseph T Heywood
"Envy not the man who lives beside the river, but the man the river flows through." Joseph T Heywood
TNEAL on Mar 11, 2014March 11th, 2014, 10:30 am EDT
I can only assume Jerry Regan was absent.......
Oldredbarn on Mar 11, 2014March 11th, 2014, 11:06 am EDT
I can only assume Jerry Regan was absent.......
No. He was there. :) He was holding fort as usual.
Has he ever shown you his Parachute Rapala? Or his Parachute Rubber Worm? He said that Grayling Boys have been known to wrap some hackle around a spear.
He has to be one of the more messy guys around! He stands up, after a day of tying, and a half bushel basket of deer hair falls to the floor. I think he can fall asleep in the recliner at home, in front of the TV, and still tie his Hen-Winged Brown Drake Spinner! I am not kidding here...We have wondered if he's tied them in bed...
You know how some folks can't walk and chew gum at the same time? Jerry can wrap flies and talk to just about anyone passing by, 95% of them he knows, and never look down at the fly he's tying! Incredible!
It was getting dangerously deep there in front of the Author's Booth when Humphreys was in it, because Jerry was just across from it...I thought we were about to be drawn into a Black Hole of angler's BS! The universe can only take so much of this...and with me in the middle...well my head was spinning.
Spence
"Even when my best efforts fail it's a satisfying challenge, and that, after all, is the essence of fly fishing." -Chauncy Lively
"Envy not the man who lives beside the river, but the man the river flows through." Joseph T Heywood
"Envy not the man who lives beside the river, but the man the river flows through." Joseph T Heywood
TNEAL on Mar 11, 2014March 11th, 2014, 2:13 pm EDT
I am at least partially destroyed. I always thought everything Jerry said was without embellishment.....
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