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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Flymom on Oct 1, 2010October 1st, 2010, 5:25 am EDT
Valla’s New Book The Classic Dry Fly Box
To be released November 6 at The Arts of the Angler Show
For Immediate Release September 28, 2010
Livingston Manor, NY Contact: 845-439-4810
The Classic Fly Box is being considered, by many, as a “companion guide” to his first book “Tying Catskill Style-Dry Flies” (Headwater/Stackpole Books). 100 classics, primarily “Catskill-Style” dry flies, but has representation from the Pacific Northwest, down to California, over to Michigan, across to Pennsylvania, up to the Catskills, and over to Ray Bergman territory.
Join Mike as he takes the reader on a tour of the history of the Catskill-style dry fly. From the Abbey to the Yellow Spinner, with 98 other stops in between. Mike explores the popular to the obscure, delving into the history of these marvelous flies, masterfully weaving quotes from Gordon, Cross, the Dettes, Bergman, and other legends with his own personal anecdotes about growing up in the Catskill tying tradition. Fully illustrated with gorgeous color photography and complete with dressing appendix.
Mike will be available at the Arts of the Angler Show, at the Ethan Allen Inn, Danbury CT, on Saturday, November 6, 2010 from noon to 5PM for signing. This is another exciting book for fly tyers and those interested in fly fishing.
Published by Whitefish Press. Softcover $29.95
To be released November 6 at The Arts of the Angler Show
For Immediate Release September 28, 2010
Livingston Manor, NY Contact: 845-439-4810
The Classic Fly Box is being considered, by many, as a “companion guide” to his first book “Tying Catskill Style-Dry Flies” (Headwater/Stackpole Books). 100 classics, primarily “Catskill-Style” dry flies, but has representation from the Pacific Northwest, down to California, over to Michigan, across to Pennsylvania, up to the Catskills, and over to Ray Bergman territory.
Join Mike as he takes the reader on a tour of the history of the Catskill-style dry fly. From the Abbey to the Yellow Spinner, with 98 other stops in between. Mike explores the popular to the obscure, delving into the history of these marvelous flies, masterfully weaving quotes from Gordon, Cross, the Dettes, Bergman, and other legends with his own personal anecdotes about growing up in the Catskill tying tradition. Fully illustrated with gorgeous color photography and complete with dressing appendix.
Mike will be available at the Arts of the Angler Show, at the Ethan Allen Inn, Danbury CT, on Saturday, November 6, 2010 from noon to 5PM for signing. This is another exciting book for fly tyers and those interested in fly fishing.
Published by Whitefish Press. Softcover $29.95
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