Dobsonflies
Dobsonflies and their predatory larvae, the hellgrammites, are among the largest trout stream insects. They are best known as a good excuse for the rigid imitationist to fish a wooly bugger.
This common name refers to only one genus.
Hellgrammite Genus Corydalus
These are pretty much always called Dobsonflies.
The largest and most well-known hellgrammites belong to this genus, although in my collecting experiences the fishflies of Nigronia seem to be more common in trout streams.
Corydalus (Dobsonflies) Hellgrammite Larva
View 27 Pictures
View 27 PicturesRegion: Poconos
Collected May 29, 2007
Added Jun 4, 2007
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