Long-tailed Dance Fly vs Whirligig Beetle

Side-by-side species comparison

Attribute Long-tailed Dance Fly Whirligig Beetle
Scientific Name Rhamphomyia longicauda Gyrinus natator
Order Diptera Coleoptera
Family Empididae Gyrinidae
Size 5-8mm 5-7 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Predators Predators
Regions North America Europe
Conservation Least Concern Least Concern

Long-tailed Dance Fly

A small dark fly where females inflate their legs with air to appear larger during mating swarms. Males present nuptial gifts.

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Did You Know?

Females inflate their legs with air bubbles to look larger and more impressive to choosy males in mating swarms.

Whirligig Beetle

A small, oval, shiny black beetle that spins in rapid circles on the water surface. Its eyes are divided in two, allowing it to see above and below water simultaneously.

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Did You Know?

Whirligig beetles have uniquely split compound eyes, with one pair looking above the waterline and another pair looking below it at the same time.