Yellowjacket

Scientific Name: Vespula spp.

Order & Family: Hymenoptera: Vespidae

Size: 10 to 16 mm (approx. 0.5 inches)

Yellowjacket

Natural Habitat

Found in meadows, forests, and human settlements; nests are typically built in the ground, hollow logs, or wall voids.

Diet & Feeding

Adults feed on nectar and sugars; larvae are fed protein from insects and scavenged meat.

Behavior Patterns

Eusocial insects living in large colonies; they are highly protective of their nests and can be aggressive if disturbed. They do not lose their stinger and can sting multiple times.

Risks & Benefits

Risk: Painful stings that can cause severe allergic reactions (anaphylaxis) in some humans. Benefit: Important ecosystem service as predators of pest insects like flies and caterpillars.

Identified on: 4/17/2026