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Sticker of Potter spider wasp
Bug card No. 3406 of 4,939

Potter spider wasp

Auplopus carbonarius

The potter spider wasp is a small black wasp that hunts spiders. The mother builds a nest of little barrel-shaped rooms out of mud, like a tiny potter. In each room she puts one spider as food for her baby.

Lives in
England, central Europe and Scandinavia, and now also the eastern United States and Canada, in woods near water
Length
0.8 to 1 cm (0.31 to 0.39 in)
males about 8 mm, females about 10 mm
Top speed
about 17 km/h (11 mph)
Flying, estimate
What does it eat?
The larvae eat the spiders their mother brings. The adults sometimes visit flowers like spurge.
For real!Photo of Potter spider wasp
Picture by Fritz Geller-Grimm. CC BY-SA 2.5, via Wikimedia Commons.

How big is it?

How long is it?

Potter spider wasp about 1 cm long (0.39 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 fingernailas long as 1.5 grains of rice in a rowcould fly across a whole football pitch in 22 secondsmoves 470 times its own body length every second

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How fast is it?

cool stuff

Fun facts

1

A nest can have ten or more mud rooms stuck together in a block.

2

The mother makes the mud from little balls of wet soil and even fetches extra water to help with building.

3

She builds her nests in ready-made holes, like under stones, in old walls, in tree stumps or in empty beetle tunnels.

you asked

Most asked questions about Potter spider wasp

?Why is it called a potter wasp?

Because the mother makes little barrel-shaped rooms out of mud for her babies.

For bug experts

Scientific name
Auplopus carbonarius
Group
Wasps and hornets
Family
Pompilidae
Classification
Insecta > Hymenoptera > Pompilidae
Lives on
Europe, North America
Also known as
Yellow-faced spider wasp

Where the facts come from

  1. Auplopus carbonarius (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 Fritz Geller-Grimm. CC BY-SA 2.5, Wikimedia Commons. The sticker of this bug is drawn from this picture.

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More from the same group: Wasps and hornets

Also at home here: Forests and woods

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