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Sticker of Spined mason bee
Bug card No. 4078 of 4,939

Spined mason bee

Osmia spinulosa
Name means: “a little thorny, because of the small thorns on its back”
Eats: Nectar and pollenBees and bumblebeesDeserts and dry places6 legs

The spined mason bee is a small bee that makes its nest inside an empty snail shell. It has two tiny thorns on its back, which give it its name. It loves flowers from the daisy family.

Lives in
Europe and western Asia, in warm, dry, sunny places
Length
7 to 8 mm (0.28 to 0.31 in)
Top speed
about 18 km/h (11 mph)
Flying, estimate
What does it eat?
It drinks nectar and collects pollen only from daisy-family flowers, like thistles, chamomile, dandelion-like flowers and chicory.
For real!Photo of Spined mason bee
Picture by ChrisMoWiki. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Spined mason bee about 8 mm long (0.31 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 fingernailcould fly across a whole football pitch in 21 secondsmoves 620 times its own body length every second

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cool stuff

Fun facts

1

It builds its nest in empty snail shells and seals the rooms with a paste of chewed leaves.

2

It flies only in summer, from early June to the middle of August.

3

It has been found high in the Alps, up to 2,000 metres.

4

Its name means "a little thorny", because of the small thorns on its back.

you asked

Most asked questions about Spined mason bee

?Where does the spined mason bee make its nest?

Inside empty snail shells, which it closes with a paste of chewed leaves.

?What flowers does the spined mason bee visit?

Only flowers of the daisy family, such as thistles, chamomile and chicory.

?How big is the spined mason bee?

It is about 7 to 8 millimetres long.

For bug experts

Scientific name
Osmia spinulosa
Group
Bees and bumblebees
Family
Megachilidae
Classification
Insecta > Hymenoptera > Megachilidae
Lives on
Europe, Asia

Where the facts come from

  1. Osmia spinulosa (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 ChrisMoWiki. 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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