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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Zor on Jul 12, 2012July 12th, 2012, 2:54 pm EDT
I'm headed that way next week. I'm brand new to fly fishing and that's a new area for me as well. I've done some poking around on alaska's game and fish site and have there Nome Roadside Fishing Guide. I need to know what the minimum gear to bring along. I'll be kayaking from the Pilgrim to the Kuzatrin through the Imuruk Basin through the Tusuk channel and into Grantley Harbor. Is there even decent trout fishing up there?
Zor
Zor
GldstrmSam on Mar 31, 2013March 31st, 2013, 4:04 pm EDT
I know this post is outdated and the trip will already be over, but I will just post this as a reference for other people.
Even though I have never been out there, I am pretty sure that there are no trout out that direction(unless MAYBE they stock some). The fish that I would gear up for would be grayling. I have heard that there are some large ones out west. Also if you have some larger gear you could check out some sheefish(inconnu) fishing.
Samuel
Even though I have never been out there, I am pretty sure that there are no trout out that direction(unless MAYBE they stock some). The fish that I would gear up for would be grayling. I have heard that there are some large ones out west. Also if you have some larger gear you could check out some sheefish(inconnu) fishing.
Samuel
There is no greater fan of fly fishing than the worm. ~Patrick F. McManus
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