Yellow Dance Fly vs Ant-decapitating Fly

Side-by-side species comparison

Attribute Yellow Dance Fly Ant-decapitating Fly
Scientific Name Empis stercorea Pseudacteon tricuspis
Order Diptera Diptera
Family Empididae Phoridae
Size 6-8 mm 1-2 mm
Habitat Hedgerows Farmland
Diet Predators Parasitoids
Regions Europe South America, introduced to North America for biocontrol
Conservation Least Concern Least Concern

Yellow Dance Fly

A medium-sized dance fly with a yellowish body commonly found on spring flowers. Males present prey items as mating gifts. An important pollinator of spring flowers.

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Did You Know?

Important early-season pollinators that visit spring flowers while also hunting small insects on them.

Ant-decapitating Fly

A minute parasitoid fly that targets fire ants by injecting eggs into their bodies. The developing larva migrates to the ant's head, eventually causing it to fall off.

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Did You Know?

The larva releases enzymes that dissolve the ant's head contents, and the head eventually falls off to serve as a pupation chamber.