Which specific structural cavity does the nonnative German Yellowjacket (*Vespula germanica*) commonly favor for nesting instead of building underground?
Answer
Spaces between walls in buildings
The German Yellowjacket, identified as a nonnative species, exhibits a distinct nesting preference compared to many native North American yellowjackets which favor subterranean locations. This species shows a strong inclination toward building nests within enclosed spaces found inside human structures. The voids found between interior and exterior walls, commonly referred to as wall voids, offer excellent protection from environmental elements and predators, making them an ideal location. As this species continues to expand its geographical range, property owners are increasingly likely to find these structural nests, which require different removal strategies than ground nests.
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