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Yellow Jacket Nests: Why Multiple Entrance Holes?

Yellow jackets don't deliberately create multiple entrances for ventilation. UGA entomologist Paul Guillebeau explains they often nest in pre-existing cavities like rotted roots, which may have several openings by chance. He's seen nests with four holes, but they don't excavate extra exits on purpose.

About Gardening: Yellow Jackets on Hibiscus: Hunting Aphid Honeydew; Massive Swarm in Woods: Honey Bees, Not Yellowjackets; Identifying the Culprits Behind Mysterious Yard Holes; Why Hydroponic Gardening Is Surging in Popularity; Yellow Azalea Leaves in Winter: Normal or Problem?; Why Trees Are Grafted and Graft Union Concerns; Azalea Winter Leaf Drop: Normal Seasonal Behavior; Giant Resin Bee: Carpenter Bee Hole Squatters from Asia; Blueberry Cane Renewal: Annual Pruning for Sustained Production; Yellow Jackets and White Clover: Honeybees Are the Real Visitors

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