Melon Fly vs Eye Gnat

Side-by-side species comparison

Attribute Melon Fly Eye Gnat
Scientific Name Zeugodacus cucurbitae Liohippelates pusio
Order Diptera Diptera
Family Tephritidae Chloropidae
Size 6-8 mm 1.5-2.5 mm
Habitat Farmland Farmland
Diet Fruit Feeders Nectar Feeders
Regions Asia, Africa, Pacific Islands, Hawaii Southern United States, Central America, Caribbean
Conservation Least Concern Least Concern

Melon Fly

A reddish-yellow fruit fly that is a major pest of melons, cucumbers, and other cucurbits. It has spread from Asia to become invasive across tropical regions.

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Did You Know?

Eradication of the melon fly from Okinawa was one of the most successful sterile insect programs in history.

Eye Gnat

A tiny, shiny black fly attracted to eye and wound secretions of humans and animals. It is a suspected mechanical vector of bacterial conjunctivitis and yaws in tropical regions. Its persistent swarming around the face makes it an extremely annoying pest in agricultural areas.

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Did You Know?

These flies are so strongly attracted to eye secretions that they will persistently return to a person's face even after being brushed away dozens of times.