Great Black Wasp

Scientific Name: Sphex pensylvanicus

Order & Family: Hymenoptera, Sphecidae

Size: 20 to 35 mm (0.8 to 1.4 inches)

Great Black Wasp

Natural Habitat

Found throughout North America in meadows, gardens, and sandy areas near flower-rich habitats.

Diet & Feeding

Adults feed on flower nectar; larvae feed on katydids and grasshoppers provided by the mother.

Behavior Patterns

Solitary digger wasps that create underground chambers. They are known for paralyzing prey to provide fresh food for their developing larvae.

Risks & Benefits

Beneficial to ecosystems as pollinators and natural pest control for grasshopper populations. Rarely aggressive toward humans unless directly handled, but they can deliver a painful sting if provoked.

Identified on: 6/13/2026