Ant Decapitating Fly

Natural Habitat

Found in environments where their host organisms (ants, bees, or wasps) reside, ranging from forests to gardens.

Diet & Feeding

Larvae are internal parasites of insects; adults primarily consume nectar or decaying organic matter.

Behavior Patterns

The female fly lays eggs in the thorax of a host. The larva migrates to the head, eventually causing the host's head to fall off as the larva matures and pupates within the decapitated head capsule.

Risks & Benefits

They pose no direct risk to humans. Ecologically, they act as biological control agents for certain ant populations, including invasive species like fire ants.

Identified on: 6/1/2026