Glacier Midge vs Banded Demoiselle

Side-by-side species comparison

Attribute Glacier Midge Banded Demoiselle
Scientific Name Diamesa steinboecki Calopteryx splendens
Order Diptera Odonata
Family Chironomidae Calopterygidae
Size 3-5 mm 45-48 mm wingspan
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Predators
Regions Europe Europe, Asia
Conservation Data Deficient Least Concern

Glacier Midge

A remarkable midge that completes its entire life cycle in glacial streams at temperatures near 0C. Represents one of the coldest habitats inhabited by any insect.

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Did You Know?

This midge lives its entire life in water barely above freezing — its larvae graze algae on glacier surfaces where temperatures hover around 0C year-round.

Banded Demoiselle

A striking damselfly with metallic blue-green body and distinctive dark wing patches in males. It frequents slow-flowing rivers and streams across Europe.

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Did You Know?

Males perform an elaborate fluttering courtship display flight, hovering in front of females to show off their iridescent wing patches.