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Yellowjackets (Vespula & Dolichovespula spp.)
Yellowjackets are highly aggressive social wasps that build paper nests in the ground, wall voids, and attics, defending their colonies ferociously with repeated stings that can be life-threatening to allergic individuals. In late summer, colonies reach peak size and workers become especially aggressive as they scavenge for food around outdoor dining areas. Ground nests are particularly dangerous as vibrations can trigger immediate mass attack. Professional nest treatment by trained technicians, performed after dark when workers are in the nest, provides safe and complete colony elimination.