Round-keeled Rhyzobius
Rhyzobius chrysomeloides
The round-keeled Rhyzobius is a tiny ladybird, only about 3 millimetres long. Its body is long, oval and flat, and its wing covers are reddish with a dark U-shaped pattern. It does not look much like a spotty ladybird, but it is one.
Lives in
Most of Europe, North Africa and northern Asia
Length
2.5 to 3.1 mm (0.1 to 0.12 in)
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
It hunts aphids on trees and garden bushes.
How big is it?
How long is it?
💅small enough to sit on your fingernail⚽could fly across a whole football pitch in 17 seconds⚡moves 1900 times its own body length every second
How big is Round-keeled Rhyzobius compared to YOU?
Just maths in your browser. Nothing is saved or sent anywhere.
How fast is it?
A kid running fast about 13 km/h (8.1 mph)
Round-keeled Rhyzobius about 22 km/h (14 mph)
A grown-up on a bike about 25 km/h (16 mph)
A car driving in town about 50 km/h (31 mph)
cool stuff
Fun facts
1
It eats aphids, so it is a friend to gardeners.
2
It was first found in Britain in 1996, sitting on a pine tree.
3
It looks very much like a cousin, but its dark marks are more U-shaped.
you asked
Most asked questions about Round-keeled Rhyzobius
?What does the round-keeled Rhyzobius eat?
It eats aphids.
?How big is the round-keeled Rhyzobius?
It is only about 2.5 to 3 millimetres long.
For bug experts
- Scientific name
- Rhyzobius chrysomeloides
- Group
- Ladybirds
- Family
- Coccinellidae
- Classification
- Insecta > Coleoptera > Coccinellidae
- Lives on
- Europe, Africa, Asia
Where the facts come from
- Rhyzobius chrysomeloides (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
- Picture by Mourad Harzallah. CC BY 4.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.
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