Great Black Wasp
Scientific Name: Sphex pensylvanicus
Order & Family: Hymenoptera, Sphecidae
Size: 20 to 35 mm (0.8 to 1.4 inches)

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