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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Alderflies, Dobsonflies, and Fishflies (Megaloptera) » Dobsonflies and Fishflies (Corydalidae)
Photo#207801
Insect near the creek
Copyright © 2008 JimmyTudor

Insect near the creek
Cascadia Oregon, Linn County, Oregon, USA
July 27, 2008
Size: 1.5" to 2" long
I was hiking up Dobbin Creek in Cascadia Oregon when I spotted this long bug on a section of bedrock. I'm wondering if it's the adult stage of a creek dwelling pupa. It's very big for this area, and it was neat to see it. It was around 3 in the afternoon. I touched it and it took a step.
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Contributed by JimmyTudor on 30 July, 2008 - 1:28am
Last updated 15 August, 2008 - 10:12am

Fishfly.
Your suspicions are confirmed. As larvae, this insect does live in flowing water. Family is Corydalidae, but I'm not sure of the genus, let alone species. Adults often fly to lights at night.
… Eric R. Eaton, 30 July, 2008 - 3:24pm login or register to post comments

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