About Western Iron Dun
An iconic eastern mayfly that signals the start of spring fly-fishing season. Nymphs have only two tails and cling to rocks in fast current.
Did You Know?
It was named after Theodore Gordon, considered the father of American dry-fly fishing.
How to Identify Western Iron Dun
Western Iron Dun (Epeorus longimanus) belongs to the order Ephemeroptera, family Heptageniidae. Adults typically measure 10-14 mm.
Western Iron Dun Habitat
Western Iron Dun 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.
Western Iron Dun Diet and Feeding
Western Iron Dun 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 Western Iron Dun Found?
Western Iron Dun 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 Western Iron Dun can be found
Is Western Iron Dun Dangerous?
Western Iron Dun 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.
Western Iron Dun Role in Nature
Western Iron Dun plays a role in its ecosystem as part of the food web, serving as both consumer and prey. Insects like Western Iron Dun 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 Western Iron Dun
What does Western Iron Dun look like?
The Western Iron Dun typically measures 10-14 mm.
Where is Western Iron Dun found?
The Western Iron Dun is found in North America and typically inhabits rivers & streams environments.
What does Western Iron Dun eat?
The Western Iron Dun has an omnivorous diet, feeding on both plant and animal matter.
Is Western Iron Dun dangerous to humans?
The Western Iron Dun is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Western Iron Dun?
It was named after Theodore Gordon, considered the father of American dry-fly fishing.
Cite This Page
APA:
InsectDiscover. (2026). Western Iron Dun (Epeorus longimanus). Retrieved from https://insectdiscover.com/insect/western-iron-dun
MLA:
"Western Iron Dun." InsectDiscover, https://insectdiscover.com/insect/western-iron-dun.