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🐝 Ants, Bees & Wasps

Western Yellowjacket

Vespula pensylvanica

About

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.

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Did You Know?

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