Glacier Midge vs Progressive Bee Fly

Side-by-side species comparison

Attribute Glacier Midge Progressive Bee Fly
Scientific Name Diamesa steinboecki Exoprosopa fasciata
Order Diptera Diptera
Family Chironomidae Bombyliidae
Size 3-5 mm 10-16 mm
Habitat Rivers & Streams Deserts & Drylands
Diet Detritivores Nectar Feeders
Regions Europe Africa, 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.

Progressive Bee Fly

A large bee fly with boldly banded wings in dark brown and clear patterns. It is a fast and agile flyer, frequently hovering at flowers in arid landscapes.

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Did You Know?

Its boldly patterned wings may serve as camouflage when resting on dappled ground in arid habitats.