Common Mayfly vs Emerald-spotted Flatwing Damselfly

Side-by-side species comparison

Attribute Common Mayfly Emerald-spotted Flatwing Damselfly
Scientific Name Ephemera danica Phaon iridipennis
Order Ephemeroptera Odonata
Family Ephemeridae Calopterygidae
Size 15-25 mm body 40-50 mm body length
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Omnivores
Regions Europe East Africa (Kenya, Tanzania, Uganda, Rwanda)
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.

Emerald-spotted Flatwing Damselfly

A stunning damselfly with metallic green and blue body and broad, iridescent wings with emerald spots. Males display by opening and closing their wings to attract females along streams.

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Did You Know?

Males perform elaborate courtship displays, hovering in front of females while slowly fanning their iridescent wings to catch the sunlight.