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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Alderflies, Dobsonflies, and Fishflies (Megaloptera) » Dobsonflies and Fishflies (Corydalidae) » Fishflies (Chauliodes)
Photo#27625
Aquatic larva - Chauliodes
Copyright © 2005 David Schlachter

Aquatic larva - Chauliodes
Gatineau, PQ, Quebec, Canada
August 3, 2005
Size: about 3 cm
I found this guy under a rock at the mouth of a small creek that flowed into a lake.
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Contributed by David Schlachter on 9 August, 2005 - 1:49pm
Last updated 23 August, 2005 - 10:48am

Fishfly larva
I went back to the stream where I photographed this guy and took home a specimen, with the intent of rearing it. I gave up that when I discovered they could take up to 5 years to mature, so he is now resting in a vial. Anyways, a little research identified this as a fishfly larva, since it doesn't have adbominal gill tufts like a hellgramite (dobsonfly larva). An excellent document, http://creekconnections.allegheny.edu/Modules/On-LineActivities/AquaticMacros/aquaticinsectfactsheets/fishfly.pdf, is packed with information on fishflies.
… David Schlachter, 23 August, 2005 - 10:46am login or register to post comments

fish fly?
There's only images of adults currently in the Guide but there's a pic of a Sialis larva on this page showing abdominal gills and a pointed terminal appendage. Possible?
… Robin McLeod, 9 August, 2005 - 4:23pm login or register to post comments

Dobsonfly Larva
This looks like the Larva of a Dobson fly. The larva are known as Hellgramites.
… Gerry Bunker, 9 August, 2005 - 4:22pm login or register to post comments

 
Corydalidae.
Pretty small to be a hellgrammite, though it could be a young one. It is definitely the larva of something in the family Corydalidae.
… Eric R. Eaton, 10 August, 2005 - 1:31pm login or register to post comments

 
What's That Bug
I was looking at What's That Bug's Hellgramite page. They look very similar to me.
… Gerry Bunker, 10 August, 2005 - 3:38pm login or register to post comments

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