πŸͺ° Flies

Thick-headed Fly

Physocephala rufipes

About Thick-headed Fly

A wasp-mimicking fly that parasitizes bumblebees by injecting eggs into them mid-flight.

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Did You Know?

Infected bumblebees bury themselves in soil where the fly larva pupates.

How to Identify Thick-headed Fly

Thick-headed Fly (Physocephala rufipes) belongs to the order Diptera, family Conopidae. Adults typically measure 8-14 mm.

Thick-headed Fly Habitat

Thick-headed Fly is found in underground habitats, particularly across Europe. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Thick-headed Fly Diet and Feeding

Thick-headed Fly is a parasitoid whose larvae develop inside or on a host insect, eventually killing it. Parasitoids are important biological control agents in agriculture and natural ecosystems.

Where Is Thick-headed Fly Found?

Thick-headed Fly can be found in Europe, where it inhabits underground environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Thick-headed Fly can be found

Is Thick-headed Fly Dangerous?

Thick-headed Fly is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.

Thick-headed Fly Role in Nature

Thick-headed Fly is an important biological control agent. As a parasitoid, its larvae develop inside host insects, naturally regulating pest populations. This makes it valuable in integrated pest management strategies.

Seasonal Activity

Jan
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Peak activity Moderate Low / dormant

Frequently Asked Questions About Thick-headed Fly

What does Thick-headed Fly look like?

The Thick-headed Fly typically measures 8-14 mm.

Where is Thick-headed Fly found?

The Thick-headed Fly is found in Europe and typically inhabits underground environments.

What does Thick-headed Fly eat?

The Thick-headed Fly is a parasitoid whose larvae develop inside a host, eventually killing it.

Is Thick-headed Fly dangerous to humans?

The Thick-headed Fly is generally harmless to humans. It does not bite or sting and poses no significant health risk.

What is an interesting fact about Thick-headed Fly?

Infected bumblebees bury themselves in soil where the fly larva pupates.

Cite This Page

APA:
InsectDiscover. (2026). Thick-headed Fly (Physocephala rufipes). Retrieved from https://insectdiscover.com/insect/thick-headed-fly

MLA:
"Thick-headed Fly." InsectDiscover, https://insectdiscover.com/insect/thick-headed-fly.