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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JAD on Mar 24, 2008March 24th, 2008, 11:14 am EDT
Ok I must be stupid or something.Thanks for letting me off the hook Louis Ha Ha .
Today W Branch tried to explain to me how to post with Photobucket. Not a very good outcome.Im sure its not the teacher.
Could some buddy please try to explain to me how to post pictures on the site----Life is not like a box of candy I seam to know what usually comes:) opps I think I stepped in it again.
Thanks
John
Today W Branch tried to explain to me how to post with Photobucket. Not a very good outcome.Im sure its not the teacher.
Could some buddy please try to explain to me how to post pictures on the site----Life is not like a box of candy I seam to know what usually comes:) opps I think I stepped in it again.
Thanks
John
They fasten red (crimson red) wool around a hook, and fix onto the wool two feathers which grow under a cock’s wattles, and which in colour are like wax.
Radcliffe's Fishing from the Earliest Times,
Troutnut on Mar 24, 2008March 24th, 2008, 12:23 pm EDT
You don't need to use photobucket. In fact, it's best if you don't. Instead you can just upload the pictures straight to this site when you post in the photography or fishing reports section.
Just write a new post here in the photography section, click "save and add pictures" instead of "submit post," and you'll see a form that's hopefully pretty intuitive to let you upload pictures.
They'll load a lot faster and show up bigger that way than if you go with Photobucket.
Just write a new post here in the photography section, click "save and add pictures" instead of "submit post," and you'll see a form that's hopefully pretty intuitive to let you upload pictures.
They'll load a lot faster and show up bigger that way than if you go with Photobucket.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Troutnut and salmonid ecologist
Wbranch on Mar 24, 2008March 24th, 2008, 12:50 pm EDT
I'll surely prefer to upload directly to the site rather tha going through Photobucket. There I have to open that site, locate my albums and upload them, then highlight the picture I want, capture it in "Copy", come back to Troutnut, open my document, and click "Paste".
Then repeat almost all those steps for every picture.
Then repeat almost all those steps for every picture.
Catskill fly fisher for fifty-five years.
JAD on Mar 24, 2008March 24th, 2008, 1:21 pm EDT
So are you saying I can"t add a picture to this post I have to start a new post?
John
John
They fasten red (crimson red) wool around a hook, and fix onto the wool two feathers which grow under a cock’s wattles, and which in colour are like wax.
Radcliffe's Fishing from the Earliest Times,
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