πŸͺ° Flies

Bearded Robber Fly

Machimus atricapillus

About Bearded Robber Fly

A common European robber fly with a prominent mystax (facial beard) of bristles that protect its face during prey capture. It hunts from perches on bare ground and low vegetation.

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Did You Know?

Its dense facial beard of stiff bristles acts as a protective cage, shielding its eyes from the thrashing legs of captured prey.

How to Identify Bearded Robber Fly

Bearded Robber Fly (Machimus atricapillus) belongs to the order Diptera, family Asilidae. Adults typically measure 12-18 mm.

Bearded Robber Fly Habitat

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

Bearded Robber Fly Diet and Feeding

Bearded Robber Fly is a herbivore, feeding on plant material including leaves, stems, flowers, and other vegetation. Herbivorous insects play a significant role in ecosystems by influencing plant growth and serving as a food source for predators.

Where Is Bearded Robber Fly Found?

Bearded Robber Fly can be found in Europe, where it inhabits heathland environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Bearded Robber Fly can be found

Is Bearded Robber Fly Dangerous?

Bearded Robber 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.

Bearded Robber Fly Role in Nature

Bearded Robber Fly is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.

Seasonal Activity

Jan
Feb
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Dec
Peak activity Moderate Low / dormant

Frequently Asked Questions About Bearded Robber Fly

What does Bearded Robber Fly look like?

The Bearded Robber Fly typically measures 12-18 mm.

Where is Bearded Robber Fly found?

The Bearded Robber Fly is found in Europe and typically inhabits heathland environments.

What does Bearded Robber Fly eat?

The Bearded Robber Fly feeds on plant material including leaves, stems, and other vegetation.

Is Bearded Robber Fly dangerous to humans?

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

What is an interesting fact about Bearded Robber Fly?

Its dense facial beard of stiff bristles acts as a protective cage, shielding its eyes from the thrashing legs of captured prey.

Cite This Page

APA:
InsectDiscover. (2026). Bearded Robber Fly (Machimus atricapillus). Retrieved from https://insectdiscover.com/insect/bearded-robber-fly

MLA:
"Bearded Robber Fly." InsectDiscover, https://insectdiscover.com/insect/bearded-robber-fly.