Western Yellowjacket vs Red-tailed Bumblebee

Side-by-side species comparison

Attribute Western Yellowjacket Red-tailed Bumblebee
Scientific Name Vespula pensylvanica Bombus lapidarius
Order Hymenoptera Hymenoptera
Family Vespidae Apidae
Size 11-16 mm 11-22 mm
Habitat Woodlands Grasslands
Diet Carrion Feeders Nectar Feeders
Regions Western North America from Alaska to Mexico Western Europe, Central Europe, Northern Europe
Conservation Least Concern Least Concern

Western Yellowjacket

The most common yellowjacket in western North America with a distinctive diamond-shaped black mark on its first abdominal segment. It is a frequent uninvited guest at outdoor picnics.

💡

Did You Know?

In Hawaii, where it was accidentally introduced, it has become a serious invasive pest threatening native insects.

Red-tailed Bumblebee

A jet-black bumblebee with a vivid orange-red tail that is unmistakable in flight. It commonly nests underground in old mouse burrows and stone walls.

💡

Did You Know?

Its nest name 'lapidarius' means 'of stones' because it often nests beneath rocks and walls.