Picture-winged fly
Scientific Name: Delphinia picta
Order & Family: Diptera: Ulidiidae
Size: Approximately 7 to 8 mm in length.

Natural Habitat
Often found in moist, shaded areas near deciduous forests, gardens, and decaying vegetation.
Diet & Feeding
Adults feed on fluids from decaying organic matter, nectar, and tree sap; larvae (maggots) consume rotting vegetation and compost.
Behavior Patterns
Characterized by distinctive wing-flicking behavior, where they rhythmically wave their patterned wings while walking. They are generally slow flyers and are often seen resting on foliage or structures.
Risks & Benefits
They pose no risk to humans as they do not bite or sting. They are beneficial to the ecosystem as decomposers, helping to break down organic waste into soil nutrients.
Identified on: 4/19/2026