Phantom Crane Fly vs Window Fly

Side-by-side species comparison

Attribute Phantom Crane Fly Window Fly
Scientific Name Bittacomorpha clavipes Scenopinus fenestralis
Order Diptera Diptera
Family Ptychopteridae Scenopinidae
Size 10-15 mm body 5-7 mm
Habitat Wetlands Indoors
Diet Detritivores Predators
Regions North America Worldwide
Conservation Least Concern Least Concern

Phantom Crane Fly

A delicate fly with swollen black and white banded tarsi that acts as a tiny parachute, allowing it to float effortlessly on air currents.

💡

Did You Know?

The inflated tarsal segments are hollow and serve as aerodynamic balloons, allowing the fly to drift on the slightest breeze.

Window Fly

A small shiny black fly often found on windowsills inside buildings. Its larvae are beneficial predators of carpet beetle and clothes moth larvae.

💡

Did You Know?

Despite being found indoors, it is actually beneficial because its larvae eat destructive carpet beetles.