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Stonefly Family Pteronarcyidae (Salmonflies)

Taxonomic Navigation -?-
» Family Pteronarcyidae (Salmonflies)
Genus in PteronarcyidaeNumber of SpecimensNumber of Pictures
PteronarcellaSalmonflies00
PteronarcysSalmonflies749
Common Name
MatchCommon Name
***Salmonflies
Pictures Below ↓
The primary Salmonfly hatches from from Pteronarcys, especially the huge, famous western species Pteronarcys californica. See its page for details.

Pteronarcella is a smaller related genus which may occasionally be important.

Pictures of 7 Stonefly Specimens in the Family Pteronarcyidae:

Specimen Page:12
Pteronarcys biloba (Knobbed Salmonfly) Stonefly NymphPteronarcys biloba (Knobbed Salmonfly) Stonefly Nymph View 17 Pictures
Collected May 6, 2007 from the Neversink River (above reservoir) in New York
Added to Troutnut.com by Troutnut on May 10, 2007
Pteronarcys dorsata (American Salmonfly) Stonefly NymphPteronarcys dorsata (American Salmonfly) Stonefly Nymph View 8 Pictures
Collected February 7, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Pteronarcys dorsata (American Salmonfly) Stonefly NymphPteronarcys dorsata (American Salmonfly) Stonefly Nymph View 7 Pictures
Collected January 13, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Specimen Page:12

1 Streamside Picture of Pteronarcyidae Stoneflies:

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Large stonefly nymphs sometimes crawl quite far from the water before emerging. This empty case is from a nymph that hatched about 5 feet up in a tree 10 feet from the river. In this picture: Stonefly Species Pteronarcys dorsata (American Salmonfly). From the Namekagon River in Wisconsin.
Large stonefly nymphs sometimes crawl quite far from the water before emerging. This empty case is from a nymph that hatched about 5 feet up in a tree 10 feet from the river.

In this picture: Stonefly Species Pteronarcys dorsata (American Salmonfly).
StateWisconsin
LocationNamekagon River
Date TakenJun 11, 2005
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ

Recent Discussions of Pteronarcyidae

Salmonfly question for you westerners 6 Replies »
Posted by Troutnut on Jul 30, 2006 in the species Pteronarcys californica
Last reply on Feb 21, 2009 by Aaron7_8
I don't have many reliable sources about this species, so it'd be great if you western fishermen could read over the article and make sure I haven't said anything stupid or omitted anything important. I'll be happy to incorporate any additions you have.
ReplyQuestion 7 Replies »
Posted by Max29 on Jan 29, 2008 in the species Pteronarcys dorsata
Last reply on Jan 30, 2008 by Taxon
Are stoneflies and salmonflies the same thing or are they just related because here in the mid west we have the stonfly hatch and if they are related the stonfly could be called the salmonfly and the salmonfly hatch is only in the west because I have trouble because I want to become a better insect identifier when it comes to fishing because i went to other sites that so a stonefly is a stonefly and a salmonfly is a salmon fly but yet you say stonefly nymph but in parenteseses you have american salmonfly so is there really no such thing as a salmonfly but it is rather called a stonefly.
ReplyHigh Water 5 Replies »
Posted by Dbar on Apr 13, 2007 in the species Pteronarcys californica
Last reply on Apr 20, 2007 by Riverratben
The hatch often occurs during high water (just after peak) so you sometimes have limited visibility during the hatch. Also - I believe that they can occur above 7000 feet.

Love ths site.
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