WildSnapField Guide
Insects

American Bumble Bee

Bombus pensylvanicus

Photograph of American Bumble Bee (Bombus pensylvanicus)
Photo: (c) Buddy, some rights reserved (CC BY-NC), uploaded by Buddy (CC-BY-NC) · source

What it is

Bombus pensylvanicus, the American bumblebee or Sonoran bumblebee, is a threatened species of bumblebee native to North America. It occurs in eastern Canada, throughout much of the United States, and much of Mexico.

Where and when to find it

Habitat
You can find American Bumble Bees in open spots like meadows, prairies, gardens, and pastures across the eastern and central US.
How to find it
Look for them visiting colorful flowers in sunny areas during the day. They are larger and rounder than honeybees.
Best time of day
Daytime, from late spring through early fall.

How it lives

What it eats
Nectar and pollen from flowers
What eats it
Birds, spiders, praying mantises, some small mammals

Worth knowing

  • Bumble bees can 'buzz pollinate', shaking pollen out of flowers.
  • Only the queen bee lives through the winter.
  • They have strong jaws to bite into flowers to reach nectar.
  • They are not aggressive and usually only sting if they feel threatened.
  • Their hives are often underground in old rodent burrows.
  • Some plants can't make seeds without a bumble bee visit!

Why it matters

This bee is a super pollinator, moving pollen between flowers. This helps plants make fruits and seeds, which feed many other animals.

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