High-altitude Midge vs Japanese Robber Fly

Side-by-side species comparison

Attribute High-altitude Midge Japanese Robber Fly
Scientific Name Diamesa latitarsis Cophinopoda chinensis
Order Diptera Diptera
Family Chironomidae Asilidae
Size 2-4 mm body length 20-30 mm
Habitat Mountains Forests
Diet Omnivores Predators
Regions Alps, Carpathians, Scandinavia East Asia
Conservation Least Concern Least Concern

High-altitude Midge

A small, dark midge whose larvae inhabit the coldest alpine streams. It has unusually broad tarsi adapted for walking on wet rocks.

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Did You Know?

Its broad feet allow it to grip wet rocks in fast-flowing glacial streams.

Japanese Robber Fly

A large East Asian robber fly with powerful raptorial legs. It preys on cicadas and large beetles in montane forests.

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Did You Know?

It is one of the few flies capable of overpowering and killing adult cicadas.