Picture-Winged Fly vs Flat-footed Scuttle Fly

Side-by-side species comparison

Attribute Picture-Winged Fly Flat-footed Scuttle Fly
Scientific Name Delphinia picta Metopina oligoneura
Order Diptera Diptera
Family Ulidiidae Phoridae
Size 5-8 mm 1-2 mm
Habitat Underground Woodlands
Diet Herbivores Detritivores
Regions North America Europe, Asia
Conservation Least Concern Least Concern

Picture-Winged Fly

A small fly with beautifully patterned wings that it waves in display like tiny semaphore flags. The wing patterns may serve in species recognition and courtship.

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Did You Know?

When walking, it continuously waves its patterned wings in a mesmerizing display, resembling a tiny insect conductor leading an orchestra.

Flat-footed Scuttle Fly

A minute brown phorid fly with broad flattened tarsi and reduced wing venation. It is associated with ant nests where it scavenges on refuse and dead ants.

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Did You Know?

It lives inside ant colonies as a tolerated guest, feeding on the waste materials that ants discard in their refuse chambers.