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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

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 Neoleptophlebia (Leptophlebiidae) Mayfly Nymph from the Yakima River in Washington
Some characteristics from the microscope images for the tentative species id: The postero-lateral projections are found only on segment 9, not segment 8. Based on the key in Jacobus et al. (2014), it appears to key to Neoleptophlebia adoptiva or Neoleptophlebia heteronea, same as this specimen with pretty different abdominal markings. However, distinguishing between those calls for comparing the lengths of the second and third segment of the labial palp, and this one (like the other one) only seems to have two segments. So I'm stuck on them both. It's likely that the fact that they're immature nymphs stymies identification in some important way.
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.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

crested butte

Posts: 5
Scottt on Mar 27, 2007March 27th, 2007, 12:08 pm EDT
hey everyone, just courious on peoples opinions on different fly lines for fihing for trout in lakes. i just started fishing in lakes from a float tube last summer. my friend taught my to fish with wooly buggers trolling behind the float tube, with what i think was a full sinking line. now i'm hearing about intermediate sink tip lines with a floating fly line. can i fish these lines like i learned with the full sink, are they as sensitive to strikes as the full sink? any other info or experiences you have too offer would be appreciated.

thanks, scott

ps. this is my first post, just found the site, seems great, nice to meet you
Site Editor
"Bear Swamp," PA

Posts: 1681
GONZO on Mar 27, 2007March 27th, 2007, 12:47 pm EDT
Hi Scott,

Welcome to the site--CB is my favorite Colorado ski area!

The full range of sinking lines, from fast-sinking to intermediate lines and sink-tips, have application in lake-fishing for trout; and their application there is much greater than in stream fishing. The choice of line depends on the character of the lake and water temperatures.

On alpine lakes with cool surface temperatures, the trout will be cruising the shallows and surface where most of the food is found. In these situations, shallow-running lines like intermediates or slow-sinking or intermediate sink-tips have good application. Even a floating line will be useful when the fish are on a hatch or feeding on wind-blown terrestrials.

On lower elevation lakes, one often has to reach the thermocline in the summer months in order to find trout. Fast-sinking lines are often needed to plumb the depths, though I have had some success with heavily weighted flies or split shot added to intermediate lines. You can even get pretty deep by adding weight to a very long leader on a floating line, but casting gets compromised or even impossible. (If you're trolling, you just pay out line rather than cast.)

Sensitivity to the strike is not much of an issue when trolling or retrieving a fly, and most fish should virtually hook themselves.

What kind of lakes are you fishing? (No names needed, just depth, temperature, and character.)
Troutnut's profile picture
Bellevue, WA

Posts: 2758
Troutnut on Mar 27, 2007March 27th, 2007, 12:48 pm EDT
Welcome to the site. :)

I know next to nothing about fishing for trout in lakes, so I'll just defer to the expertise of others here. I'm a river guy, so far.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
crested butte

Posts: 5
Scottt on Mar 27, 2007March 27th, 2007, 7:02 pm EDT
thanks for the replies gonzo and jason. mostly i'll be fishing alpine lakes in CO above 8,000 feet and some lower lakes in utah. the main reason i'm asking is that i just bought a new reel with an extra spool that i ordered with a rio aqualux line which is translucent and sinks at a rate of 1-2 ips, but what wound up coming on my new spool was a rio aqualux midge tip line, which is like a yellow floating line with about four feet of clear sinking tip, which also has a sink rate of 1-2 ips. i don't really know how deep i'm trying to get, i'm guessing 1-5 or 10 feet, is this going to do it? should i send it back? does the sinking tip also pull some of the floating line down?
Site Editor
"Bear Swamp," PA

Posts: 1681
GONZO on Mar 28, 2007March 28th, 2007, 4:43 am EDT

While the "midge tip" will work for some fishing near the surface, the floating portion is subject to wave action and limits depth. The line that you originally ordered is more appropriate. Get what you wanted--don't settle for a mistake!
crested butte

Posts: 5
Scottt on Mar 28, 2007March 28th, 2007, 12:21 pm EDT
thanks gonzo, i agree, it's getting sent back

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