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Sticker of Black slip wasp
Bug card No. 0431 of 4,939

Black slip wasp

Pimpla rufipes

The black slip wasp is a slim black wasp with bright orange legs. It is a parasite wasp. The mother lays her eggs inside the caterpillars and pupae of butterflies and moths, and her babies grow up eating them from the inside.

Lives in
Europe, Asia and North Africa, in hedgerows and leafy places
Length
1.5 cm (0.59 in)
Top speed
about 21 km/h (13 mph)
Flying, estimate
What does it eat?
Its babies feed inside butterfly and moth caterpillars and pupae, such as those of the large white butterfly. The grown-up wasps mainly feed at flowers.
For real!Photo of Black slip wasp
Picture by Hectonichus. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Black slip wasp about 1.5 cm long (0.59 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 2.5 grains of rice in a rowcould fly across a whole football pitch in 18 secondsmoves 390 times its own body length every second

How big is Black slip wasp compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Before laying an egg, the mother taps a pupa with her feelers and listens to the echo to check if it is a good home for her baby.

2

In experiments the mothers liked smooth things better than rough ones, and blue better than yellow.

3

Its babies are already very big when they hatch, so the mother can only carry a few eggs at a time.

4

It also lives in Estonia.

you asked

Most asked questions about Black slip wasp

?What does the black slip wasp eat?

The grown-ups visit flowers. The babies eat butterfly and moth caterpillars and pupae from the inside.

For bug experts

Scientific name
Pimpla rufipes
Group
Wasps and hornets
Family
Ichneumonidae
Classification
Insecta > Hymenoptera > Ichneumonidae
Lives on
Europe, Asia, Africa

Where the facts come from

  1. Pimpla rufipes (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 Hectonichus. CC BY-SA 3.0, 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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