About Dobsonfly
Large insects with intimidating mandibles in males that are actually too large to bite effectively. Aquatic hellgrammite larvae are prized as fishing bait and indicate clean water.
Did You Know?
Male dobsonflies have terrifying mandibles up to 40 mm long, but they are so large the males cannot actually generate enough force to pinch — the females bite harder.
How to Identify Dobsonfly
Dobsonfly (Corydalus cornutus) belongs to the order Neuroptera, family Corydalidae. Adults typically measure 40-55 mm body, 125 mm wingspan.
Dobsonfly Habitat
Dobsonfly is found in rivers & streams habitats, particularly across North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Dobsonfly Diet and Feeding
Dobsonfly has an omnivorous diet, feeding on both plant and animal matter. This dietary flexibility allows it to exploit a wide range of food sources in its environment.
Where Is Dobsonfly Found?
Dobsonfly can be found in North America, where it inhabits rivers & streams environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Dobsonfly can be found
Is Dobsonfly Dangerous?
Dobsonfly is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.
Dobsonfly Role in Nature
Dobsonfly plays a role in its ecosystem as part of the food web, serving as both consumer and prey. Insects like Dobsonfly are a vital food source for birds, bats, and other wildlife, and contribute to the overall health and balance of their environment.
Seasonal Activity
Frequently Asked Questions About Dobsonfly
What does Dobsonfly look like?
The Dobsonfly typically measures 40-55 mm body, 125 mm wingspan.
Where is Dobsonfly found?
The Dobsonfly is found in North America and typically inhabits rivers & streams environments.
What does Dobsonfly eat?
The Dobsonfly has an omnivorous diet, feeding on both plant and animal matter.
Is Dobsonfly dangerous to humans?
The Dobsonfly is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Dobsonfly?
Male dobsonflies have terrifying mandibles up to 40 mm long, but they are so large the males cannot actually generate enough force to pinch — the females bite harder.
Cite This Page
APA:
InsectDiscover. (2026). Dobsonfly (Corydalus cornutus). Retrieved from https://insectdiscover.com/insect/dobsonfly
MLA:
"Dobsonfly." InsectDiscover, https://insectdiscover.com/insect/dobsonfly.