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The Specimen

Isoperla (Stripetails and Yellow Stones) Stonefly AdultIsoperla (Stripetails and Yellow Stones) Stonefly Adult View 14 PicturesA friend brought me this stonefly to photograph. He found it floating on the surface of a trout stream with its wings in a crippled position.
Collected May 5, 2006 from Salmon Creek in New York
Added to Troutnut.com by on May 22, 2006

The Discussion

LitobranchaOctober 20th, 2006, 9:16 pm
Knoxville TN

Posts: 51
jason are those mites on the back at about the first or second abdominal segment? bright red little boogers.

at a glance looks like isoperla female. kinda hard to tell with the crippled wings.
TroutnutOctober 20th, 2006, 10:20 pm
Administrator
Bellevue, WA

Posts: 2541
I think it's just a discoloration -- maybe an injury? Maybe a smudge of something. I don't remember very well but I don't think it's a mite or group of mites.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
GONZOOctober 21st, 2006, 5:24 pm
Site Editor
"Bear Swamp," PA

Posts: 1681
I've looked at this specimen several times and have wondered about that red spot as well. I do think that the wide, light stripe on the pronotum (with light borders) and the lack of gill remnants makes placing it in Isoperla a pretty safe bet.

Hey, Jason--do female insects find you unusually attractive, or do you just enjoy making things more challenging?!! :)
TroutnutOctober 21st, 2006, 6:25 pm
Administrator
Bellevue, WA

Posts: 2541
do female insects find you unusually attractive, or do you just enjoy making things more challenging?!! :)


I catch a lot of my insects during their egg-laying flights. For some reason, the males just don't do quite as much of that!

It's really frustrating sometimes. It's not just in the insects I collect or photograph; often I can't find a single male aquatic insect anywhere, even though I'm constantly attempting to collect, photograph, and preserve them in alcohol.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
GONZOOctober 21st, 2006, 11:54 pm
Site Editor
"Bear Swamp," PA

Posts: 1681
OK, out of extreme courtesy and utmost respect for our gracious host, I will refrain from saying ANYTHING about the last half of that last sentence. I hope everyone else will show the same restraint! :)
TaxonOctober 22nd, 2006, 12:24 am
Site Editor
Plano, TX

Posts: 1294
But Gonzo, aren't you who directed attention to it?
Roger Rohrbeck
www.FlyfishingEntomology.com
GONZOOctober 22nd, 2006, 10:51 am
Site Editor
"Bear Swamp," PA

Posts: 1681
Roger-

Mea culpa, mea culpa, mea maxima culpa! Since I had inadvertently provided the set-up (honest, I'm not that clever), I felt compelled to head things off before they got ugly (uglier?). My humblest apologies to Jason and especially to his lovely girlfriend Lena! And just to make sure that all my bases are covered, let me add a famous line from Seinfeld--"Not that there's anything wrong with that!"

Despite Jason's observation that males do not do much egg-laying, I think I just did! :)
TroutnutOctober 22nd, 2006, 11:33 am
Administrator
Bellevue, WA

Posts: 2541
Fixed! :-P
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
TaxonOctober 22nd, 2006, 4:07 pm
Site Editor
Plano, TX

Posts: 1294
Gonzo-

Sorry, but I couldn't resist giving you a gentle nudge in response to the (obviously good-spirited) humor you directed at Jason.
Roger Rohrbeck
www.FlyfishingEntomology.com
GONZOOctober 22nd, 2006, 6:08 pm
Site Editor
"Bear Swamp," PA

Posts: 1681
Not a problem, Roger. I'll be fine as soon as I get my prescription for Xanax filled! :{ ...zzz... :)

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