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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

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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Rjmarston
Twin cities

Posts: 1
Rjmarston on Jun 16, 2012June 16th, 2012, 12:22 pm EDT
So its mid June, and i just built my first fly rod! Im planning a trip over to the rush river in western central WI for early july, and am super excited to start my fly fishing career. Ive done some lake fly fishing and fished some small creeks for panfish but never fished for trout before. Im wondering if anybody knows a good place to start on the river, and a good method to start fishing with! Also if anybody has been there lately and could tell me what sort of nymphs, and dries to bring. Thanks in advance to any and all helpful advice!
forever a rookie, advice is welcome :)
Martinlf
Martinlf's profile picture
Moderator
Palmyra PA

Posts: 3047
Martinlf on Jun 19, 2012June 19th, 2012, 7:00 pm EDT
Not my stompin' ground, but I'll wish you well. I remember building my first rod and the delight in fishing it. I think there are some WI guys who post here, and if they find your post, they'll probably have an idea or two. Go get 'em.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell

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