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Sticker of Blue fungus beetle
Bug card No. 0531 of 4,939

Blue fungus beetle

Cypherotylus californicus
Eats: Fungus and mouldBeetlesForests and woods6 legs

The blue fungus beetle has blue wing cases covered in black dots. As it gets older, the blue slowly fades to grey. It does not eat plants or animals but mushrooms and other fungi.

Lives in
The south-western United States and northern Mexico
Length
1.4 to 1.8 cm (0.55 to 0.71 in)
Top speed
about 0.55 km/h (0.34 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It cannot sting and does not bite people.
What does it eat?
It eats fungi that grow on logs and trees.
For real!Photo of Blue fungus beetle
Picture by Joseph C Boone. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Blue fungus beetle about 1.8 cm long (0.71 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)
as long as 3 grains of rice in a rowcould run across a dinner table in 6.5 seconds

How big is Blue fungus beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It hatches from its egg in spring and turns into a pupa in summer.

2

It lays its eggs in late summer and early autumn.

3

It belongs to a family with a funny name: the pleasing fungus beetles.

you asked

Most asked questions about Blue fungus beetle

?What does the blue fungus beetle eat?

It eats fungi growing on logs and trees.

?Why does the blue fungus beetle turn grey?

Its blue wing cases slowly turn grey as the beetle gets older.

For bug experts

Scientific name
Cypherotylus californicus
Group
Beetles
Family
Erotylidae
Classification
Insecta > Coleoptera > Erotylidae
Lives on
North America
Also known as
Blue pleasing fungus beetle

Where the facts come from

  1. Cypherotylus californicus (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 Joseph C Boone. 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: Beetles

Also at home here: Forests and woods

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