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Hornets (Vespa & Dolichovespula spp.)
Hornets are large, aggressive social wasps that build paper nests in trees, shrubs, and on structures, defending them vigorously with painful stings that can be life-threatening to allergic individuals. Bald-faced hornets and European hornets are the most commonly encountered species in North America. Disturbing a hornet nest can trigger mass stinging attacks involving hundreds of insects. Professional treatment performed at night when workers are in the nest, using targeted insecticide applications, provides safe and complete nest elimination.