Cold-water Glacier Midge vs Sand Gnat

Side-by-side species comparison

Attribute Cold-water Glacier Midge Sand Gnat
Scientific Name Diamesa cinerella Culicoides furens
Order Diptera Diptera
Family Chironomidae Ceratopogonidae
Size 3-4 mm body length 1-2.5 mm
Habitat Rivers & Streams Wetlands
Diet Detritivores Blood Feeders
Regions Europe, Alps, Scandinavia Coastal Americas from the southeastern United States to Brazil
Conservation Least Concern Least Concern

Cold-water Glacier Midge

A cold-adapted midge found in high-altitude streams fed by snowmelt. Its larvae are among the first colonizers of newly formed glacial streams.

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Did You Know?

Adults can emerge and fly at temperatures just above freezing.

Sand Gnat

A very small biting midge commonly known as a no-see-um due to its near-invisible size. Despite being barely visible, its bite is intensely painful and causes persistent itching.

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Did You Know?

It is so small it can pass through standard window screens, earning the nickname no-see-um.