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Producers: Hazel Stark & Joe Horn Host: Hazel Stark “Yellow jacket” is the name for a group of stinging insects that includes many different species and a couple genera in North America. With food sources decreasing as the growing season winds down matched with yellow jacket colonies at the peak of their annual populations, we are left with lots of stinging insects desperate for food. A perceived threat to yellow jacket nests can quickly inspire the residents to come out with their stingers blazing. Photos, a full transcript, references, contact information, and more available at thenatureofphenology.wordpress.com.