Ozark Stiletto Fly vs Common Gnat

Side-by-side species comparison

Attribute Ozark Stiletto Fly Common Gnat
Scientific Name Thereva frontalis Culex modestus
Order Diptera Diptera
Family Therevidae Culicidae
Size 8-11 mm 4-5 mm
Habitat Woodlands Farmland
Diet Predators Blood Feeders
Regions North America Europe, Central Asia, North Africa
Conservation Least Concern Least Concern

Ozark Stiletto Fly

A medium-sized stiletto fly with a grayish body covered in fine pale hairs and clear wings. It is commonly found resting on sunlit surfaces in open woodlands.

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Did You Know?

The larvae have a unique ability to move rapidly through loose sand using undulating body movements.

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.