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Sticker of Cashew beetle
Bug card No. 0815 of 4,939

Cashew beetle

Anoplognathus pallidicollis
Eats: PlantsBeetlesGardens and meadows6 legs

The cashew beetle is a chunky Australian beetle with glossy brown wing covers. It comes out at night and flies towards lights. Its legs have little claws and barbs that help it hold on to thin gum leaves.

Lives in
Australia, in gardens, lawns and eucalyptus trees
Length
2 cm (0.79 in)
up to
Top speed
about 0.58 km/h (0.36 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It may crawl into homes at night, but it does not bite or sting.
What does it eat?
Grown-ups love to eat eucalyptus leaves. The larvae live underground and eat roots of grasses and rotting plants.
For real!Photo of Cashew beetle
Picture by Cyron Ray Macey from Brisbane (-27.470963,153.026505), Australia. CC BY 2.0, via Wikimedia Commons.

How big is it?

How long is it?

Cashew beetle about 2 cm long (0.79 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 6.2 seconds

How big is Cashew beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It lives for about two years.

2

It used to be very common around Christmas, which is why people call it a Christmas beetle.

3

Its front legs are not the same length, maybe to help it grip thin eucalyptus leaves.

4

The young beetles wait underground for rain to soften the soil before they dig their way out.

5

Its larvae eating grass roots can cause yellow, dead patches in lawns.

you asked

Most asked questions about Cashew beetle

?Why is it called a Christmas beetle?

Because the grown-ups used to be very common in the Australian summer, around Christmas.

?What does the cashew beetle eat?

Grown-ups eat eucalyptus leaves, and the larvae eat roots underground.

?When is it most active?

Around sunset and the hours just after.

For bug experts

Scientific name
Anoplognathus pallidicollis
Group
Beetles
Family
Scarabaeidae
Classification
Insecta > Coleoptera > Scarabaeidae
Lives on
Australia and Oceania
Also known as
Christmas beetle

Where the facts come from

  1. Anoplognathus pallidicollis (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 Cyron Ray Macey from Brisbane (-27.470963,153.026505), Australia. CC BY 2.0, 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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