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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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This topic is about the Caddisfly Family Brachycentridae

Brachycentrus is one of the most important caddisfly genera in America. Microsema is smaller and rarely, if ever, significant. Amiocentrus aspilus can be an important Western hatch.

Example specimens

SlapNuts
mt airy maryland

Posts: 1
SlapNuts on Oct 30, 2009October 30th, 2009, 1:17 am EDT
I have trouble pronouncing the scientific names of most caddis flies. Does anyone know where I can find a phonics name list or guide.

Example Ephemerella ef uh mare el uh
Taxon
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Site Editor
Plano, TX

Posts: 1311
Taxon on Oct 30, 2009October 30th, 2009, 4:24 am EDT
Ken-

That would indeed be nice, but I don't believe one exists. In my experience, genus names of caddisflies (as opposed to mayflies) are rarely used in spoken discussion among fly fishers, probably for that very reason. Incidentally, the only source (of which I'm aware) for the phonetic pronunciation of Ephemerella suggests it to be ef-fem-er-ella.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
Martinlf
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Moderator
Palmyra PA

Posts: 3047
Martinlf on Oct 30, 2009October 30th, 2009, 11:27 pm EDT
You say "ef-fem-er-ella"

I say "ef uh mare el uh"

Sorry Roger, couldn't resist.

All others, this is just an inside joke based on an ancient thread.
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Taxon
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Plano, TX

Posts: 1311
Taxon on Oct 31, 2009October 31st, 2009, 1:46 am EDT
Hi Louis-

Nice to hear from you again, and not altogether unexpected.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
Creno
Grants Pass, OR

Posts: 302
Creno on Oct 31, 2009October 31st, 2009, 12:58 pm EDT
Fof caddis genera try putting the accent on the third syllable from the end. Most everyone will understand it.
Martinlf
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Moderator
Palmyra PA

Posts: 3047
Martinlf on Oct 31, 2009October 31st, 2009, 2:03 pm EDT
Hi Roger,

We really must fish sometime. I have to travel some for business from time to time; I'll keep an eye out for conferences in Washington.

All best,

Louis
"He spread them a yard and a half. 'And every one that got away is this big.'"

--Fred Chappell
Taxon
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Site Editor
Plano, TX

Posts: 1311
Taxon on Oct 31, 2009October 31st, 2009, 3:53 pm EDT
Louis,

Sounds like a plan.

Best regards,

Roger
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

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