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Sticker of Tisza mayfly
Bug card No. 1349 of 1,500

Tisza mayfly

Palingenia longicauda
Name means: “It is named after the Tisza river in Hungary. In Hungarian it is called tiszavirรกg, which means Tisza blossom.”
Eats: Nothing as a grown-upOther insectsPonds, rivers and shores6 legs

The Tisza mayfly is the biggest mayfly in Europe, with a very long tail. Once a year, in June, thousands of them hatch from the river at the same time. People call this the blooming of the Tisza, because the river looks full of flowers.

Lives in
A few clean rivers in eastern Europe, like the Tisza in Hungary, Serbia and Slovakia
Top speed
about 5 km/h (3.1 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting, and it lives only a few hours as a grown-up.
What does it eat?
Grown-ups do not eat at all, because they live only a few hours. The babies grow up in the mud at the bottom of the river.
For real!Photo of Tisza mayfly
Picture by Original uploader was Derzsi Elekes Andor at hu.wikipedia. CC BY-SA 3.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

From the head to the tip of the tail it can be 12 centimetres long.

2

The babies live in tunnels in the river mud for up to three years before they hatch.

3

It lives only where the water is very clean, so finding it means the river is healthy.

4

It flies low over the water, often brushing the surface with its long tail.

5

The mother flies 1 to 3 kilometres before she lays her eggs in the water.

you asked

Most asked questions about Tisza mayfly

?How long does a Tisza mayfly live?

The grown-up lives only a few hours. Before that it spends up to three years as a baby in the river mud.

?What is the blooming of the Tisza?

It is when huge numbers of Tisza mayflies hatch together in June. People come to watch it.

?How big is the Tisza mayfly?

With its long tail it can be about 12 centimetres long. It is the biggest mayfly in Europe.

For bug experts

Scientific name
Palingenia longicauda
Group
Other insects
Family
Palingeniidae
Classification
Insecta > Ephemeroptera > Palingeniidae
Lives on
Europe
Also known as
Tisa mayfly, Long-tailed mayfly, Giant mayfly

Where the facts come from

  1. Palingenia longicauda (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 Original uploader was Derzsi Elekes Andor at hu.wikipedia. CC BY-SA 3.0, Wikimedia Commons. The round sticker of this bug is cut from the same 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.

More from the same group: Other insects

Also at home here: Ponds, rivers and shores