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> > Anyone able to ID this Chloroperlid?

The Specimen

Sweltsa (Sallflies) Stonefly AdultSweltsa (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. This one keys out to albertensis, gaufini, or lambda, but the key (Baumann et al 1977) doesn't include all current species.

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

The Discussion

TroutnutJuly 17th, 2019, 8:56 pm
Administrator
Bellevue, WA

Posts: 2733
I didn't do the best job taking pictures of key characteristics (such as wing venation), but I'm hoping somebody might be familiar with the striking color pattern. I'd love to know the species on this one.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

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