Troutnut.com Fly Fishing for Trout Home
User Password
or register.
Scientific name search:

Stonefly Genus Sweltsa (Sallflies)

Taxonomic Navigation -?-
Species in SweltsaNumber of SpecimensNumber of Pictures
Sweltsa borealisSallfly11
Sweltsa coloradensisSallfly00
Sweltsa fidelisSallfly23
Sweltsa onkosSallfly18

24 species aren't included.
Common Name
MatchCommon Name
****Sallflies
Pictures Below
Only Sweltsa coloradensis has been specifically mentioned as a common species in my sources.

Pictures of 9 Stonefly Specimens in the Genus Sweltsa:

Specimen Page:12
Sweltsa onkos (Sallfly) Stonefly AdultSweltsa onkos (Sallfly) Stonefly Adult View 8 PicturesI'm just guessing this is Chloroperlidae, since it's little and yellow. If anyone has a less haphazard identification, feel free to post it.
Collected May 15, 2007 from Mystery Creek #62 in New York
Added to Troutnut.com by Troutnut on May 18, 2007
Sweltsa (Sallflies) Stonefly NymphSweltsa (Sallflies) Stonefly Nymph View 6 Pictures
Collected May 13, 2007 from the Delaware River in New York
Added to Troutnut.com by Troutnut on May 18, 2007
Female Sweltsa (Sallflies) Stonefly AdultFemale Sweltsa (Sallflies) Stonefly Adult View 8 PicturesThese stoneflies--abundant during midday--seemed at first to be flying around with plain yellow bodies, but on closer inspection turn out to have striking, fiery red abdomens.

Collected June 30, 2019 from the Madison River in Montana
Added to Troutnut.com by Troutnut on July 17, 2019
Specimen Page:12

Your Thoughts On Sweltsa:

You must log in at the top of the page to post. If you haven't registered yet, it's this easy:

Username:          Email:

Password:    Confirm Password:

I am at least 13 years old and agree to the rules.
Top 10 Fly Hatches
Top Gift Shop Designs
Top Insect Specimens
Miscellaneous Sites