The larvae (commonly called hellgrammites) are aquatic, living in streams, and the adults are often found along streams as well. The nine genera of dobsonflies are distributed in the …

Jan 27, 2021 · The hellgrammite is the larval stage of this insect and it lives an aquatic life. Hatching from an egg case placed on a rock ledge or branch that overhangs the river, young …

Hellgrammites are the larvae of eastern dobsonflies. They are aquatic, somewhat flattened, and usually some shade of dark brown, tan, or black. Some people think they look like centipedes. …

Sep 3, 2025 · The eastern dobsonfly, Corydalus cornutus (Linnaeus), is one of our largest non-lepidopteran insects. Its larvae, known as hellgrammites, are the top invertebrate predators in …

Apr 4, 2024 · Hellgrammites are aquatic insects commonly found in rivers, streams, and creaks. They prefer shallow and fast-flowing waters and often hide under rocks and logs. In this …

Jun 20, 2023 · Wherever they are encountered, the sight of an adult dobsonfly can be as impressive and fear-inducing as a hellgrammite, since they retain their large size and now …

Dec 13, 2023 · Hellgrammites are rarely seen outside of water except when digging a hole to pupate. Hellgrammites are macroinvertebrates and the larva of dobsonflies. They start as eggs …

Hellgrammites are important links in the food web between small invertebrates and fish. Six clawed legs, in addition to four hooks on prolegs at the back end, allow hellgrammites to …

Jul 19, 2025 · This creature, known as the hellgrammite, represents one of nature’s most extraordinary transformations — living almost its entire existence underwater before emerging …

Mature larvae migrate from their freshwater habitat to wet soil, moss, or decaying vegetation near the water to form pupal cells from which adults…