Cooperative Extension San Joaquin County
University of California
Cooperative Extension San Joaquin County

Posts Tagged: Polistes dominula

These European Paper Wasps Didn't Get the Memo

A sign on a UC Davis recycling bin clearly says

They didn't get the memo. A sign on a recycling bin near the Mann Laboratory at the University of California, Davis, clearly reads "Bottles and Cans Only." It says nothing about wasps. But there they were: European paper wasps (Polistes dominula)...

Getting Steak and Dessert at the Same Time

A European paper wasp catching prey on a showy milkweed, Asclepias speciosa. (Photo by Kathy Keatley Garvey)

Monarch butterflies aren't the only insects that hang around milkweed, their host plant. You're likely to see a variety of predators, such as the European paper wasp, Polistes dominula. This paper wasp is a little skittish around paparazzi so it helps...

Posted on Monday, August 14, 2017 at 5:07 PM

Yellowjacket or Paper Wasp?

A Western yellowjacket, Vespula pensylvanica, sipping water. Note the black antennae. (Photo by Kathy Keatley Garvey)

Western yellowjackets, nicknamed "meat bees" (as opposed to the "vegetarian honey bees") are often misidentified. A recent visitor at a camp in the Sierra Nevada mountain range witnessed a large number of wasps and stinging behavior. They crowded...

Posted on Friday, September 2, 2016 at 3:29 PM

And Along Came a Wasp...

A European paper wasp, Polistes dominula, attacks a Gulf Fritillary caterpillar. (Photo by Kathy Keatley Garvey)

So here's this cute little reddish/orangish caterpillar munching away on a passionflower vine. It's Sunday and he's having Sunday dinner--after having Sunday breakfast and lunch and snacks in between, thank you. He's on his way to becoming a Gulf...

Wasp Love!

A European paper wasp, Polistes dominula, foraging for food. (Photo by Kathy Keatley Garvey)

"Wasp love." You don't hear those two words often, but you'll hear them often from Amy Toth, who's hoping that the hashtag, #wasplove, will draw attention to the wonderful world of wasps. Toth, known for her work on bee and wasp behavior,genomics, and...

Posted on Wednesday, May 20, 2015 at 4:35 PM

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