Marsh lady beetle
Anisosticta bitriangularis

The marsh lady beetle is a tiny ladybird that lives in wet, marshy places. It is smaller than a pea. It lives in the north of the world, on three continents.
Lives in
Europe, northern Asia and North America, in marshes and wet places
Length
3 to 4 mm (0.12 to 0.16 in)
Can it hurt you?
Harmless
Harmless. It does not bite or sting.
What does it eat?
Like many ladybirds, it hunts tiny soft insects such as aphids.

How big is it?
How long is it?
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small enough to sit on your fingernailโฝcould fly across a whole football pitch in 16 secondsโกmoves 1700 times its own body length every second
How big is Marsh lady beetle 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)
Marsh lady beetle about 24 km/h (15 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 is only 3 to 4 millimetres long.
2
In North America it lives from Labrador to New Jersey and west to Alaska, California and British Columbia.
3
Its other name is the swamp lady beetle.
you asked
Most asked questions about Marsh lady beetle
?How big is the marsh lady beetle?
Only about 3 to 4 millimetres long, smaller than a pea.
?Where does the marsh lady beetle live?
In Europe, northern Asia and North America, in marshes and other wet places.
For bug experts
- Scientific name
- Anisosticta bitriangularis
- Group
- Ladybirds
- Family
- Coccinellidae
- Classification
- Insecta > Coleoptera > Coccinellidae
- Lives on
- Europe, Asia, North America
- Also known as
- Swamp lady beetle
Where the facts come from
- Anisosticta bitriangularis (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 Zygy. CC0, 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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