Bug Identifier
Great Black Wasp
Community identification

Great Black Wasp

Sphex pensylvanicus

Order & Family
Order: Hymenoptera, Family: Sphecidae
Size
Typically 2.0 - 2.5 cm (0.8 - 1.0 inches) in length
See this bug in the Encyclopedia

Natural Habitat

Commonly found in open, sunny areas such as meadows, gardens, fields, and along forest edges where suitable flowers and prey are abundant. They often nest in sandy or loose soil.

Diet & Feeding

Adults feed on nectar from various flowers, particularly those with shallow corollas, for energy. Larvae are carnivorous, feeding on paralyzed katydids and crickets provided by the mother wasp.

Behavior Patterns

Adults are active during the day, often seen flying swiftly near the ground or foraging on flowers. Females provision their nests with paralyzed prey (often katydids or crickets) for their larvae to feed on. Males are territorial and may patrol areas looking for females.

Risks & Benefits

Potential risks include a sting if greatly provoked, though they are generally not aggressive towards humans. Benefits include pollination of a variety of plants as they forage for nectar, and natural pest control as the larvae consume herbivorous insects like katydids and crickets.