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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 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.
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Roguerat
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Posts: 456
Roguerat on Dec 31, 2014December 31st, 2014, 12:48 pm EST
I was checking websites for Green Rockworm patterns and ran across a UK site that had a hot-glue bodied generic nymph pattern. A thin bead of glue was laid on the hook shank, shaped while still warm, then ribbed with thread to give segmentation.

Has anybody tried this technique, with any success?

I might make a trip to the closest craft store/big-box pretty soon, their website lists colored glue-stick assortments in a couple shades of green, clear, and some metallic's thrown in for good measure.

Still going crazy on the Renzetti, I've got a couple more days of vacation to kill and lots of flies to experiment with.

Roguerat

I Peter 5:7 'Cast your cares upon Him...'

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