Common Gnat vs Snow Fly

Side-by-side species comparison

Attribute Common Gnat Snow Fly
Scientific Name Culex modestus Chionea araneoides
Order Diptera Diptera
Family Culicidae Limoniidae
Size 4-5 mm 5-8 mm
Habitat Farmland Mountains
Diet Blood Feeders Detritivores
Regions Europe, Central Asia, North Africa Europe, Asia, North America
Conservation Least Concern Least Concern

Common Gnat

A small brownish mosquito widespread across Europe and Central Asia that breeds in marshes and rice paddies. It is a competent vector of West Nile virus and is considered the species responsible for several West Nile virus outbreaks in Europe. It feeds readily on both birds and mammals.

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Did You Know?

This species was identified as the key West Nile virus vector in the Camargue wetlands of southern France.

Snow Fly

A wingless crane fly that walks on snow surfaces in winter to find mates.

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Did You Know?

Its antifreeze proteins allow activity at temperatures well below freezing.