Eye Gnat vs Jewel Wasp Pteromalid

Side-by-side species comparison

Attribute Eye Gnat Jewel Wasp Pteromalid
Scientific Name Liohippelates pusio Nasonia vitripennis
Order Diptera Hymenoptera
Family Chloropidae Pteromalidae
Size 1.5-2.5 mm 1-2.5 mm
Habitat Farmland Farmland
Diet Nectar Feeders Parasitoids
Regions Southern United States, Central America, Caribbean Worldwide
Conservation Least Concern Not Evaluated

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.

💡

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.

Jewel Wasp Pteromalid

A tiny jewel wasp that parasitizes the pupae of blowflies, flesh flies, and house flies. It is one of the most important model organisms in parasitoid biology and genetics.

💡

Did You Know?

It has become a genetic model organism rivaling Drosophila, with its entire genome sequenced to study parasitism evolution.