Bug Wiki
Sticker of California lady beetle
Bug card No. 0765 of 4,939

California lady beetle

Coccinella californica

The California lady beetle is a ladybird with shiny red wing cases. Unlike many ladybirds, it usually has no spots at all. Its head is black with two pale spots.

Lives in
Only in California, in the coastal counties north of the Transverse Ranges
Length
5.1 to 6.8 mm (0.2 to 0.27 in)
Top speed
about 32 km/h (20 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. Ladybirds are friends of gardeners.
What does it eat?
Like its ladybird cousins, it eats aphids and other tiny plant-sucking insects.
For real!Photo of California lady beetle
Picture by Kiloueka. CC0, via Wikimedia Commons.

How big is it?

How long is it?

California lady beetle about 6.8 mm long (0.27 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 California lady beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its red wing cases are usually completely spotless.

2

It lives only along part of the California coast and nowhere else in the world.

3

The part behind its head is mostly black, with small pale spots.

you asked

Most asked questions about California lady beetle

?Does the California lady beetle have spots?

Usually not. Its red wing cases are most often plain, with no spots.

?How big is the California lady beetle?

About 5 to 7 millimetres long.

For bug experts

Scientific name
Coccinella californica
Group
Ladybirds
Family
Coccinellidae
Classification
Insecta > Coleoptera > Coccinellidae
Lives on
North America

Where the facts come from

  1. Coccinella californica (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 Kiloueka. 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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