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Sticker of Kidney-spotted fairy lady beetle
Bug card No. 2448 of 4,939

Kidney-spotted fairy lady beetle

Psyllobora renifer
Eats: Fungus and mouldLadybirdsGardens and meadows6 legs

The kidney-spotted fairy lady beetle is a tiny ladybird, only about 2 millimetres long. Its wing cases have dark spots shaped like kidney beans. The spots often join up into bigger patches.

Lives in
North and Central America
Length
1.8 to 2.4 mm (0.07 to 0.09 in)
Top speed
about 19 km/h (12 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It is tiny and does not bite people.
What does it eat?
It does not eat aphids like many ladybirds. Instead it eats powdery mildew, a white fuzzy mould that grows on leaves.
For real!Photo of Kidney-spotted fairy lady beetle
Picture by xpda. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Kidney-spotted fairy lady beetle about 2.4 mm long (0.09 in)A grain of rice about 6 mm (0.24 in)
2.5 of them in a row are as long as one grain of ricecould fly across a whole football pitch in 20 secondsmoves 2200 times its own body length every second

How big is Kidney-spotted fairy lady beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It is so small that it could sit on the head of a match.

2

Its main food is powdery mildew, the white dust that sometimes covers plant leaves.

3

Its spots run together into big patches, which helps tell it apart from its close cousins.

you asked

Most asked questions about Kidney-spotted fairy lady beetle

?What does the kidney-spotted fairy lady beetle eat?

Mostly powdery mildew, a white mould that grows on leaves.

?How big is the kidney-spotted fairy lady beetle?

Only about 2 millimetres long, much smaller than a seven-spot ladybird.

For bug experts

Scientific name
Psyllobora renifer
Group
Ladybirds
Family
Coccinellidae
Classification
Insecta > Coleoptera > Coccinellidae
Lives on
North America

Where the facts come from

  1. Psyllobora renifer (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: Ladybirds

Also at home here: Gardens and meadows

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