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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

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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Lastchance
Portage, PA

Posts: 437
Lastchance on Jun 30, 2008June 30th, 2008, 11:59 am EDT
I live in central/western, pa. What colors are the grasshoppers in this area? I guess I mean the part the fish sees. Also, would you tie them in sizes 8 and 10? Are they tan and olive?
Thanks
Trtklr
Banned
Michigan

Posts: 115
Trtklr on Jul 2, 2008July 2nd, 2008, 9:28 am EDT
I would suggest to go outside and walk around some tall grass in mid day. you should see some jump around. I tie mine with a light tan body with grizzly wrap, but I bet ours here in michigan have a darker body. I am a firm believer that proportions are more important than color. I use a #10 streamer hook. yeah it floats no problem
I have seen nothing more beautiful than the sunrise on a cold stream.
GONZO
Site Editor
"Bear Swamp," PA

Posts: 1681
GONZO on Jul 2, 2008July 2nd, 2008, 10:56 am EDT
Bruce,

We have lots of different grasshopper species in PA, but Scott is probably right--the exact color shouldn't matter that much unless the trout are seeing a heavy concentration of only one species.

I suppose that could happen when the Carolinas (the strong fliers that display black underwings with light borders when in flight) are flying around en masse, but I don't think these actually hit the water as often as some of the weaker fliers. Other fairly common hoppers that we see include the Differential, Red-Legged, Migratory, and Bird (American and Alutacea). Most of these have yellowish, yellowish-brown, or yellowish-gray bodies. (The Red-Legged can be olive as well.)

Size varies with species and time of year, but when the adults are active in the summer, 2X- or 3X-long #8s and #10s make for a pretty good average. One opportunity that fly fishers sometimes miss comes when the young nymphs ("baby" grasshoppers) are hanging out on streamside bushes earlier in the season. Then, a smaller (#12 or #14) wingless imitation in yellow, gray, or olive can be a killer for trout that lurk beneath the bushes.

I hope that helps.

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