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Sticker of Seaside lady beetle
Bug card No. 3785 of 4,939

Seaside lady beetle

Naemia seriata
Eats: Other bugs and small animalsLadybirdsPonds, rivers and shores6 legs

The seaside lady beetle is a ladybird that loves the seaside. It can be light brown, yellow, orange or red, with big black spots that often join up along the sides. It lives on beaches and in salt marshes in North America.

Lives in
The Atlantic and Pacific coasts of North America and Bermuda, on beaches and salt marshes
Length
4 to 6.7 mm (0.16 to 0.26 in)
Top speed
about 32 km/h (20 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It is a small beetle that does not sting.
What does it eat?
Like most lady beetles, it hunts tiny soft bugs such as aphids.
For real!Photo of Seaside lady beetle
Picture by Plcoffey. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Seaside lady beetle about 6.7 mm long (0.26 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 12 secondsmoves 1300 times its own body length every second

How big is Seaside lady beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It is the only kind of beetle in its group, called Naemia.

2

There are two kinds of it. One lives along the east coast and in Bermuda, the other in the dry American Southwest.

3

You can tell the two kinds apart by the head: one has a black head, the other has a pale triangle on it.

4

It is easy to mix up with the spotted pink ladybeetle, which is much more common and lives away from the sea too.

you asked

Most asked questions about Seaside lady beetle

?Where does the seaside lady beetle live?

Near the sea in North America, on beaches, salt marshes and small islands in bays.

?How big is the seaside lady beetle?

About 4 to 7 millimetres long, a bit smaller than a pea.

For bug experts

Scientific name
Naemia seriata
Group
Ladybirds
Family
Coccinellidae
Classification
Insecta > Coleoptera > Coccinellidae
Lives on
North America

Where the facts come from

  1. Naemia seriata (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 Plcoffey. 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: Ponds, rivers and shores

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