Western Yellowjacket

 Identification and Control

Proper identification is an important first step in controlling ants.

Vespula pensylvanica

How to Identify an 

Western Yellowjacket

The western Yellowjacket is 3/8 to 5/8 of an inch long and are hairless. They are yellow and black in color with an abdomen that is blunt on the anterior side.


Where do they come from?

Western Yellowjackets are social insects who’s colony dies off every fall, but fertilized queens will overwinter. Queens start new colonies every spring that will grow throughout the summer months.

Their nests can be found in old rodent burrows, holes, structural voids, etc.  

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What do they look like?

No items found.

Where do they live?

Western yellowjackets pose a serious health risk to humans. Scavenging in the fall makes outdoor events dangerous. Learn more by reading our blog post: Stinging Insect Guide: Bees, Hornets, & Wasps in Utah.

Name:

Vespula pensylvanica

Size:

Diet:

Insects, nectar; scavengers for meat, sugar, human food, etc.

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