Glacier Midge vs Red-tailed Flesh Fly

Side-by-side species comparison

Attribute Glacier Midge Red-tailed Flesh Fly
Scientific Name Diamesa steinboecki Sarcophaga haemorrhoidalis
Order Diptera Diptera
Family Chironomidae Sarcophagidae
Size 3-5 mm 10-14 mm
Habitat Rivers & Streams Underground
Diet Detritivores Dung Feeders
Regions Europe Worldwide
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.

Red-tailed Flesh Fly

A large gray flesh fly with a distinctive red-tipped abdomen. It deposits live larvae on meat, wounds, and feces.

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Did You Know?

Unlike most flies, females give birth to live larvae rather than laying eggs.