Sand Gnat vs Parasitic Bee Fly

Side-by-side species comparison

Attribute Sand Gnat Parasitic Bee Fly
Scientific Name Culicoides furens Winthemia rufopicta
Order Diptera Diptera
Family Ceratopogonidae Tachinidae
Size 1-2.5 mm 6-9 mm
Habitat Wetlands Farmland
Diet Blood Feeders Nectar Feeders
Regions Coastal Americas from the southeastern United States to Brazil North America, Europe, Asia
Conservation Least Concern Least Concern

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.

Parasitic Bee Fly

A medium-sized tachinid fly that parasitizes armyworm caterpillars and other crop pest larvae. It is found across multiple continents.

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Did You Know?

Females deposit multiple larvae on a single caterpillar but only one typically survives to maturity.