European Hornet
Scientific Name: Vespa crabro
Order & Family: Order: Hymenoptera, Family: Vespidae
Size: Approximately 25 to 35 mm (about 1 to 1.4 inches) in length.

Natural Habitat
Typically found in hollow trees, barns, attics, or hollow walls. They favor forested areas or areas with plenty of vegetation.
Diet & Feeding
Adults primarily feed on sugary liquids like nectar and fruit juices; however, they hunt other insects like flies, bees, and grasshoppers to feed their larvae.
Behavior Patterns
Unlike many other wasps, they are active at night and are frequently attracted to lights. They live in social colonies with a queen and worker hierarchy.
Risks & Benefits
They can deliver a painful sting if the nest is threatened; however, they are generally less aggressive than yellowjackets. They are beneficial for controlling garden pests.
Identified on: 3/12/2026