Common Mayfly vs Small Spurwing Mayfly

Side-by-side species comparison

Attribute Common Mayfly Small Spurwing Mayfly
Scientific Name Ephemera danica Centroptilum luteolum
Order Ephemeroptera Ephemeroptera
Family Ephemeridae Baetidae
Size 15-25 mm body 5-8 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Detritivores
Regions Europe Europe
Conservation Least Concern Least Concern

Common Mayfly

Adults have no functional mouths and live only 1-3 days. Massive synchronized emergences called "hatches" are among natures great spectacles. Excellent water quality indicators.

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Did You Know?

Mayflies have the shortest adult lifespan of any insect — some species live just 5 minutes as adults, long enough only to mate. They are the only insects with a winged sub-adult stage.

Small Spurwing Mayfly

A tiny, elegant mayfly with a distinctive spur on its hindwing. It is widespread in European streams and rivers with good water quality.

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Did You Know?

Unlike most mayflies that swarm over water, small spurwings often emerge individually and drift with the current.