
Community identification
Ensign Wasp
Evaniidae
- Order & Family
- Order: Hymenoptera; Family: Evaniidae
- Size
- 3 to 7 mm (approximately 0.1 to 0.3 inches) in length.
Natural Habitat
Typically found indoors in buildings or outdoors in temperate and tropical environments, often wherever cockroach egg cases are present.
Diet & Feeding
Adults feed on nectar and honeydew; larvae are predatory, specifically consuming the eggs within cockroach oothecae.
Behavior Patterns
Notable for their unique flag-like abdomen that constantly bobs up and down while they walk; they are solitary wasps that specialize as cockroach egg parasites.
Risks & Benefits
They are highly beneficial to humans as they provide natural pest control by destroying cockroach eggs; they do not sting or bite humans.