Common Picture-Winged Fly

Scientific Name: Delphinia picta

Family: Ulidiidae

Native Range: Eastern United States, Pennsylvania

Size: 7 – 9 mm (0.28 – 0.35 in)*

Active: 2 generations per year: Adults active in late spring – summer. Next generation overwinters a larva. (Wikipedia: https://en.wikipedia.org/wiki/Delphinia_picta_

Color and Appearance: “Wing pattern apparently distinctive, with two white triangles on front edge. Moves wings in rowing motion as it walks.”*

*From BugGuide.net (https://bugguide.net/node/view/5919)

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