Pale Grass Blue vs Eye Gnat

Side-by-side species comparison

Attribute Pale Grass Blue Eye Gnat
Scientific Name Zizeeria maha Liohippelates pusio
Order Lepidoptera Diptera
Family Lycaenidae Chloropidae
Size 15-25 mm wingspan 1.5-2.5 mm
Habitat Meadows Farmland
Diet Nectar Feeders Nectar Feeders
Regions East Asia, Japan/Korea Southern United States, Central America, Caribbean
Conservation Least Concern Least Concern

Pale Grass Blue

One of the smallest and most common butterflies in Japan, known as 'yamato-shijimi.' Found everywhere from city sidewalks to mountain meadows. Pale blue upperwings with spotted undersides.

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Did You Know?

This butterfly became an unlikely research subject after Fukushima, as scientists documented radiation-induced mutations in populations near the disaster site.

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.