The lifespan of a dobsonfly is three to five years, but the vast majority of its life is spent underwater — as a hellgrammite. Anglers know the hellgrammite as a centipede-looking critter found under ...

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Cody Peterson introduces the hellgrammite, a unique and formidable aquatic insect, sharing fascinating facts and encounters.

Unless you live under a rock, like a hellgrammite, and you are a fisherman, you have heard of this insect and know of its importance in the fishing world. If you fish a river in North America, ...

I’m not cussing when I say my favorite stream bait for smallmouth bass is a hellgrammite. Hellgrammite is the legitimate name for a long, slender insect larva that by appearance looks like it could ...