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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.

Lateral view of a Onocosmoecus (Limnephilidae) (Great Late-Summer Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen keys pretty easily to Onocosmoecus, and it closely resembles a specimen from Alaska which caddis expert Dave Ruiter recognized as this genus. As with that specimen, the only species in the genus documented in this area is Onocosmoecus unicolor, but Dave suggested for that specimen that there might be multiple not-yet-distinguished species under the unicolor umbrella and it would be best to stick with the genus-level ID. I'm doing the same for this one.
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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Stonefly Species Neoperla coosa (Golden Stones)

Species Range

Physical description

Most physical descriptions on Troutnut are direct or slightly edited quotes from the original scientific sources describing or updating the species, although there may be errors in copying them to this website. Such descriptions aren't always definitive, because species often turn out to be more variable than the original describers observed. In some cases, only a single specimen was described! However, they are useful starting points.

Source: Studies On The Stoneflies Of Georgia With The Description Of A New Species Of Soyedina Ricker, New State Records And An Annotated Checklist

was described from the Coosa River drainage in Chilton County, Alabama. This species has since been reported from adjacent states of North Carolina (Lenat et al. 2009) and Tennessee (DeWalt & Heinold 2005). This species of Perlinae was collected in the Piedmont Plateau Physiographic Province of Georgia near the Fall Line, the escarpment separating the Piedmont Plateau from the Coastal Plain.


Start a Discussion of Neoperla coosa

Stonefly Species Neoperla coosa (Golden Stones)

Taxonomy
Species Range
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