Phantom Midge vs Kite-tailed Robber Fly

Side-by-side species comparison

Attribute Phantom Midge Kite-tailed Robber Fly
Scientific Name Chaoborus crystallinus Tolmerus atricapillus
Order Diptera Diptera
Family Chaoboridae Asilidae
Size 8-10 mm 10-16 mm
Habitat Ponds & Lakes Heathland
Diet Predators Predators
Regions Europe, North America Europe, Central Asia
Conservation Least Concern Least Concern

Phantom Midge

A nearly transparent midge whose larvae are planktonic predators in lakes. Larvae migrate vertically in the water column daily to avoid fish predation.

💡

Did You Know?

Its glass-clear larvae are almost invisible in water, earning the common name glassworm.

Kite-tailed Robber Fly

A common grey robber fly with a slightly club-shaped abdomen. It is widespread across Europe, frequently hunting from low perches.

💡

Did You Know?

It is one of the last robber fly species to remain active into late autumn.