Long-tailed Dance Fly vs Keeled Skimmer

Side-by-side species comparison

Attribute Long-tailed Dance Fly Keeled Skimmer
Scientific Name Rhamphomyia longicauda Orthetrum coerulescens
Order Diptera Odonata
Family Empididae Libellulidae
Size 5-8mm 36-45mm
Habitat Ponds & Lakes Rivers & Streams
Diet Predators Predators
Regions North America Europe, Africa
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.

Keeled Skimmer

A slender dragonfly where mature males develop a powder-blue abdomen. Females and immature males are yellowish-brown. It flies low over shallow boggy streams and seepages.

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Did You Know?

It is an indicator species for high-quality wet heathland, and its presence suggests good habitat condition.