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Sticker of Sowthistle tephritis
Bug card No. 4049 of 4,939

Sowthistle tephritis

Tephritis formosa
Eats: PlantsFlies and mosquitoesGardens and meadows6 legs

The sowthistle tephritis is a tiny fly with pretty patterned wings. Its wings are light beige with big dark brown spots. Its babies live hidden inside flower heads.

Lives in
Most of Europe and the Near East, in meadows, grassland and town gardens
Length
4 to 6 mm (0.16 to 0.24 in)
Top speed
about 6.9 km/h (4.3 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It is a tiny fly that does not bite or sting.
What does it eat?
Its larvae live inside the flower heads of sow-thistles, cat's ear and hawksbeards and feed there.
For real!Photo of Sowthistle tephritis
Picture by AfroBrazilian. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Sowthistle tephritis about 6 mm long (0.24 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailcould fly across a whole football pitch in 55 secondsmoves 320 times its own body length every second

How big is Sowthistle tephritis compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

When its larvae move into a flower head, the flower grows a swelling called a gall around them.

2

The female is a little bigger than the male and has a pointed tip on her tail for laying eggs. The male's tail is round.

3

Its eyes are yellow-red.

4

Each wing is only about 4 to 5 millimetres long.

you asked

Most asked questions about Sowthistle tephritis

?Is the sowthistle tephritis dangerous?

No. It is a tiny fly that does not bite or sting.

?How big is the sowthistle tephritis?

It is only 4 to 6 millimetres long.

?Where does the sowthistle tephritis live?

In most of Europe and in the Near East, in meadows, grassland and gardens where its plants grow.

For bug experts

Scientific name
Tephritis formosa
Group
Flies and mosquitoes
Family
Tephritidae
Classification
Insecta > Diptera > Tephritidae
Lives on
Europe, Asia
Also known as
Gall fly

Where the facts come from

  1. Tephritis formosa (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 AfroBrazilian. 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: Flies and mosquitoes

Also at home here: Gardens and meadows

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