Long-tailed Dance Fly vs Turkey Gnat

Side-by-side species comparison

Attribute Long-tailed Dance Fly Turkey Gnat
Scientific Name Rhamphomyia longicauda Simulium meridionale
Order Diptera Diptera
Family Empididae Simuliidae
Size 5-8mm 2-4 mm
Habitat Ponds & Lakes Farmland
Diet Predators Blood Feeders
Regions North America North America
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.

Turkey Gnat

A black fly notorious for swarming livestock in the southern United States. Larvae attach to rocks in swift streams using silken pads and posterior hooks.

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Did You Know?

Massive swarms historically caused turkey and livestock deaths in the Mississippi Valley through blood loss and allergic reactions.