The dobsonfly may be attracted by mercaptan, an indicator additive in natural gas and propane, and may behave as an animal sentinel in the presence of these gases.

Dec 10, 2022 · In this article, we cover the dobsonfly and its larval form, hellgrammites, in detail

There are 30 species of dobsonflies in the Western Hemisphere, but only one in the U.S.: Corydalus cornutus, the eastern dobsonfly. The eastern dobsonfly is usually a drab shade of …

Aug 28, 2025 · In this article, we’ll explore 25 types of dobsonflies, highlighting their unique identification traits, habitats, and behaviors. 1. Corydalus cornutus, commonly known as the …

Dobsonfly, any of a group of insects in the subfamily Corydalinae (order Megaloptera) that are usually large and have four net-veined wings of similar size and shape.

Oct 29, 2025 · They are holometabolous insects, undergoing four distinct life stages: egg, larva, pupa, and adult. The larval stage, commonly known as the hellgrammite, is aquatic and …

The dobsonfly (Corydalus, spp., Neuroptera: Corydalidae) is one of the largest aquatic insects in North America. Adults measure two to four inches from the front of the head to the wing tips.

Jan 28, 2025 · Male Dobsonflies have long, fleshy mandibles that can look like a second set of short, rubbery antennae. Females have a short jaw with large pincers. Both genders are a …

Oct 12, 2022 · Enjoy this expertly researched article on the dobsonfly, including where live, what they eat & much more. Now with high quality pictures.

The eastern dobsonfly, Corydalus cornutus, is a large insect in the Corydalidae family. The larvae are known as hellgrammites and are among the top invertebrate predators in the streams in …