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Sticker of Large dark olive
Bug card No. 2506 of 4,939

Large dark olive

Baetis rhodani
Eats: Nothing as a grown-upOther insectsPonds, rivers and shores6 legs

The large dark olive is a delicate little mayfly from Europe. It starts life as a nymph living under water in streams and rivers. When it grows up, it flies up into the air on thin, see-through wings.

Lives in
Europe, near streams and rivers
Top speed
about 5 km/h (3.1 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. Mayflies have no sting and cannot bite.
What does it eat?
The grown-up mayflies do not eat at all. The nymphs live in the water and feed there before they grow wings.
For real!Photo of Large dark olive
Picture by xpda. CC BY-SA 4.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Fishermen call mayflies like this one blue-winged olives and copy them to make fishing flies.

2

Its group has more than 150 kinds of mayflies all around the world.

3

About 48 kinds of these mayflies live in Europe.

you asked

Most asked questions about Large dark olive

?Do mayflies eat?

The grown-ups do not eat at all. Only the young nymphs in the water feed.

?Are mayflies dangerous?

No. They have no sting and cannot bite.

?Where do mayfly babies live?

They live under water in streams and rivers until they are ready to fly.

For bug experts

Scientific name
Baetis rhodani
Named by
Pictet, 1843
Group
Other insects
Family
Baetidae
Classification
Insecta > Ephemeroptera > Baetidae
Lives on
Europe

Where the facts come from

  1. Baetis (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by xpda. CC BY-SA 4.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

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More from the same group: Other insects

Also at home here: Ponds, rivers and shores

Honey jarfor grown-ups