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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
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.

Dorsal view of a Ephemerella mucronata (Ephemerellidae) Mayfly Nymph from the Yakima River in Washington
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.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
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Crepuscular
Crepuscular's profile picture
Boiling Springs, PA

Posts: 920
Crepuscular on Dec 16, 2013December 16th, 2013, 6:35 am EST
In my non fishing life, this is what I do. If you get a chance check this out and see what can be accomplished at a watershed level. It takes many interested and dedicated parties (and funding), but it works. http://vimeo.com/80934305
PaulRoberts
PaulRoberts's profile picture
Colorado

Posts: 1776
PaulRoberts on Dec 16, 2013December 16th, 2013, 2:45 pm EST
Very nice video, Eric. Nice to see a green landscape with people on it that can afford to care.
Oldredbarn
Oldredbarn's profile picture
Novi, MI

Posts: 2600
Oldredbarn on Dec 16, 2013December 16th, 2013, 4:37 pm EST
Nice production! This is the kind of positive, practical, results oriented work we need to see. An advertisement for/from the environmentalist community. Don't beat folks over the head and point fingers. Shows them how the little things can add up to something big. It can be done!

Thanks sir! I'm forwarding this link on to some people here in Michigan. A model for how it's done.

Thanks! Eric. Nice stuff.

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
Crepuscular
Crepuscular's profile picture
Boiling Springs, PA

Posts: 920
Crepuscular on Dec 16, 2013December 16th, 2013, 5:54 pm EST
Very nice video, Eric. Nice to see a green landscape with people on it that can afford to care.


Thanks Paul. I hear what you're saying and yes we take a lot for granted here.
Crepuscular
Crepuscular's profile picture
Boiling Springs, PA

Posts: 920
Crepuscular on Dec 17, 2013December 17th, 2013, 2:39 am EST
Nice production! This is the kind of positive, practical, results oriented work we need to see. An advertisement for/from the environmentalist community. Don't beat folks over the head and point fingers. Shows them how the little things can add up to something big. It can be done!

Thanks sir! I'm forwarding this link on to some people here in Michigan. A model for how it's done.

Thanks! Eric. Nice stuff.

Spence


Thanks Spence. The people at PSU did a really nice job with the video. I just do the bugs, coordinate some streambank restoration and manage some people for that particular project, but it really does illustrate what can be accomplished when there are enough parties that are willing to work together toward a common goal. We definitely benefit from being in the Chesapeake Bay Watershed, some funding is there do actually do some work.

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