Long-tailed Dance Fly vs Long-Palped Crane Fly

Side-by-side species comparison

Attribute Long-tailed Dance Fly Long-Palped Crane Fly
Scientific Name Rhamphomyia longicauda Dicranota bimaculata
Order Diptera Diptera
Family Empididae Pediciidae
Size 5-8mm 8-12 mm
Habitat Ponds & Lakes Rivers & Streams
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.

Long-Palped Crane Fly

A short-bodied crane fly whose predatory larvae inhabit gravel beds of clean streams. Larvae are active hunters among cobble interstices.

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Did You Know?

Unlike most crane fly larvae, this species is an active predator rather than a detritivore.