Your Safety Around Yellow Jackets - Point Reyes National Seashore (U.S. National Park Service)
The Effect Of Weather On Yellowjackets
Why yellow jackets are especially mean in the fall - The Washington Post
How Weather Affects Yellow Jackets
Yellowjacket Identification, Facts, and Control Measures
Natural Yellowjacket Control Part 1 - Northwest Center for Alternatives to Pesticides
Awesome Animal - Yellowjacket - Stan C. Smith
Yellow jackets are most aggressive in the fall
Blog - Why Are Yellow Jackets So Aggressive In The Fall?
What Happens to Yellow Jackets & Wasps in Fall?
Yellowjacket Identification, Facts, and Control Measures
How to Get Rid of Yellow Jackets for Good
Why Do Yellow Jackets Seem More Aggressive at End of Summer?
Are Yellow Jackets More Dangerous in the Fall?
Yellowjackets in the Landscape NC State Extension Publications