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 an interesting one. Following the keys in Merritt R.W., Cummins, K.W., and Berg, M.B. (2019) and Jacobus et al. (2014), it keys clearly to Ephemerella. Jacobus et al provide a key to species, but some of the characteristics are tricky to interpret without illustrations. If I didn't make any mistakes, this one keys to Ephemerella mucronata, which has not previously been reported any closer to here than Montana and Alberta. The main character seems to fit well: "Abdominal terga with prominent, paired, subparallel, spiculate ridges." Several illustrations or descriptions of this holarctic species from the US and Europe seem to match, including the body length, tarsal claws and denticles, labial palp, and gill shapes. These sources include including Richard Allen's original description of this species in North America under the now-defunct name E. moffatae in Allen RK (1977) and the figures in this description of the species in Italy.
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Pursuing Golden Trout with my Wife
Pursuing Golden Trout with my Wife
By Troutnut on June 13th, 2019, 11:25 am EDT
This blog post is just a quick teaser for the long-form photo-journal I wrote about my favorite trip of last summer (2018), in which my wife and I backpacked into some high mountains for three days in pursuit of Golden Trout and had one of the prettiest places on Earth all to ourselves.
A few favorite images will serve as teasers for the full story:
Read it here.
Note: The bugs showing up below this post on the front page are only there because I uploaded them on the same day I posted the note about this story. They're from a different state and time of year.
A few favorite images will serve as teasers for the full story:
Read it here.
Note: The bugs showing up below this post on the front page are only there because I uploaded them on the same day I posted the note about this story. They're from a different state and time of year.
Closeup insects by Troutnut from the South Fork Snoqualmie River in Washington
Comments / replies
Wbranch on Jun 14, 2019June 14th, 2019, 12:29 pm EDT
Is that your first alpine lake golden trout?
Catskill fly fisher for fifty-five years.
Troutnut on Jun 14, 2019June 14th, 2019, 12:59 pm EDT
Nope, I caught one the previous year (2017) in a much, much more difficult adventure here near Seattle. This trip was plenty of work but comparatively easy.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Troutnut and salmonid ecologist
Martinlf on Jun 19, 2019June 19th, 2019, 6:16 am EDT
Breathtaking photos. Thanks for sharing this.
"He spread them a yard and a half. 'And every one that got away is this big.'"
--Fred Chappell
--Fred Chappell
Jmd123 on Jun 19, 2019June 19th, 2019, 8:23 am EDT
All beautiful, especially the little fishie.
Jonathon
Jonathon
No matter how big the one you just caught is, there's always a bigger one out there somewhere...
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References
- Jacobus, L. M., Wiersema, N.A., and Webb, J.M. 2014. Identification of Far Northern and Western North American Mayfly Larvae (Insecta: Ephemeroptera), North of Mexico; Version 2. Joint Aquatic Science meeting, Portland, OR. Unpublished workshop manual. 1-176.
- Merritt R.W., Cummins, K.W., and Berg, M.B. 2019. An Introduction to the Aquatic Insects of North America (Fifth Edition). Kendall/Hunt Publishing Company.
- Parker, C. R., Wiggins, G. B. 1985. The Nearctic Caddisfly Genus Hesperophylax Banks (trichoptera: Limnephilidae). Canadian Journal of Zoology 63(10): 2443-2472.