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The Specimen

Helopicus subvarians (Springfly) Stonefly AdultHelopicus subvarians (Springfly) Stonefly Adult View 11 PicturesI caught this female during her egg-laying flight.
Collected June 7, 2007 from the West Branch of the Delaware River in New York
Added to Troutnut.com by on June 8, 2007

The Discussion

TroutnutJune 8th, 2007, 3:12 pm
Administrator
Bellevue, WA

Posts: 2736
The dark abdomen on this one is pretty striking. Does anyone know what species this is?
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
GONZOJune 8th, 2007, 3:26 pm
Site Editor
"Bear Swamp," PA

Posts: 1681
I probably shouldn't say anything after blowing that Paragnetina/Acroneuria ID, but I seem to recall that those black bands on the underside of the thorax are indicative of Agnetina.
MyerslApril 7th, 2010, 10:20 am
Plattsburgh, NY

Posts: 5
Beautiful picture, this is a female of a Helopicus subvarians
myersl
GONZOApril 7th, 2010, 11:56 am
Site Editor
"Bear Swamp," PA

Posts: 1681
Nice catch, Luke. Thanks for correcting the identity of this "cool perlodid." I wasn't very familiar with the Perlodini "springflies" when I made the earlier comment. While we're on the subject, do you recognize this one? http://www.troutnut.com/specimen/488
(Hint for those playing along: it's not Cultus or Arcynopteryx.)

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