About Autumn Dun
A dark-winged mayfly that emerges in spring despite its common name. Nymphs inhabit slow-flowing sections of woodland streams among leaf litter.
Did You Know?
Its common name refers to the brownish autumnal color of the adult, not its emergence season.
How to Identify Autumn Dun
Autumn Dun (Leptophlebia marginata) belongs to the order Ephemeroptera, family Leptophlebiidae. Adults typically measure 10-14 mm.
Autumn Dun Habitat
Autumn Dun is found in woodlands habitats, particularly across Europe. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Autumn Dun Diet and Feeding
Autumn Dun is a detritivore that feeds on decaying organic matter and dead plant material. By breaking down dead matter, detritivores play a crucial role in nutrient recycling and soil formation.
Where Is Autumn Dun Found?
Autumn Dun can be found in Europe, where it inhabits woodlands environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Autumn Dun can be found
Is Autumn Dun Dangerous?
Autumn 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.
Autumn Dun Role in Nature
Autumn Dun plays a vital role in decomposition and nutrient recycling. By breaking down dead organic matter, it helps return nutrients to the soil, supporting plant growth and maintaining ecosystem health.
Seasonal Activity
Frequently Asked Questions About Autumn Dun
What does Autumn Dun look like?
The Autumn Dun typically measures 10-14 mm.
Where is Autumn Dun found?
The Autumn Dun is found in Europe and typically inhabits woodlands environments.
What does Autumn Dun eat?
The Autumn Dun feeds on decaying organic matter and dead plant material.
Is Autumn Dun dangerous to humans?
The Autumn Dun is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Autumn Dun?
Its common name refers to the brownish autumnal color of the adult, not its emergence season.
Cite This Page
APA:
InsectDiscover. (2026). Autumn Dun (Leptophlebia marginata). Retrieved from https://insectdiscover.com/insect/autumn-dun
MLA:
"Autumn Dun." InsectDiscover, https://insectdiscover.com/insect/autumn-dun.