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Sticker of Four-toothed mason wasp
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Four-toothed mason wasp

Monobia quadridens
Name means: “quadridens means four teeth”

The four-toothed mason wasp is a black wasp with one wide ivory-white band near the top of its tummy. It lives alone, not in a big nest with other wasps. It moves into old holes and hollow stems to raise its babies.

Lives in
Eastern North America, from Canada to north-eastern Mexico, in gardens and fields
Wingspan
1.1 to 1.8 cm (0.43 to 0.71 in)
females are bigger than males
Top speed
about 23 km/h (14 mph)
Flying, estimate
What does it eat?
It catches small caterpillars for its babies and also eats lots of pollen.
For real!Photo of Four-toothed mason wasp
Picture by Sandy Rae. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Four-toothed mason wasp wings about 1.8 cm tip to tip (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)
could fly across a whole football pitch in 16 seconds

How big is Four-toothed mason wasp compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It nests in old carpenter bee tunnels, old mud dauber nests and hollow plant stems.

2

It has two families each year, and one waits through the winter as pupae.

3

It was first described by Carl Linnaeus back in 1763.

you asked

Most asked questions about Four-toothed mason wasp

?What does the four-toothed mason wasp eat?

Small caterpillars, which it brings to its babies, and pollen.

For bug experts

Scientific name
Monobia quadridens
Named by
Linnaeus, 1763
Group
Wasps and hornets
Family
Vespidae
Classification
Insecta > Hymenoptera > Vespidae
Lives on
North America

Where the facts come from

  1. Monobia quadridens (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 Sandy Rae. CC BY-SA 3.0, Wikimedia Commons. The round sticker of this bug is cut from the same 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.

More from the same group: Wasps and hornets

Also at home here: Gardens and meadows