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Sticker of Western bumblebee
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Western bumblebee

Bombus occidentalis

The western bumblebee is a fuzzy black and yellow bee from western North America. Some have a white tip on their tail, and some have a reddish-brown stripe. It lives in a big family led by one queen, in a nest under the ground.

Lives in
Western Canada and the western United States, from California all the way to Alaska
Top speed
about 16 km/h (9.9 mph)
Flying, estimate
What does it eat?
It drinks sweet nectar from flowers and collects pollen to feed the babies in the nest.
For real!Photo of Western bumblebee
Picture by Stephen Ausmus, USDA ARS. Public domain, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

The queen starts the nest alone in spring, often in an old hole left by a mouse or another small animal.

2

A nest can have up to about 1,600 worker bees.

3

Only the young queens survive the winter. Next spring each one starts a brand new family.

4

It became much rarer in some places, but scientists have seen signs that it may be coming back.

you asked

Most asked questions about Western bumblebee

?Why are western bumblebees disappearing?

Scientists think a tiny parasite and competition with honey bees may be the reasons.

For bug experts

Scientific name
Bombus occidentalis
Group
Bees and bumblebees
Family
Apidae
Classification
Insecta > Hymenoptera > Apidae
Lives on
North America
Also known as
Western bumble bee

Where the facts come from

  1. Bombus occidentalis (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 Stephen Ausmus, USDA ARS. Public domain, 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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