Blue Metalmark vs Great Purple Emperor

Side-by-side species comparison

Attribute Blue Metalmark Great Purple Emperor
Scientific Name Lasaia sula Sasakia charonda
Order Lepidoptera Lepidoptera
Family Riodinidae Nymphalidae
Size 18-22 mm wingspan 75-110 mm wingspan
Habitat Forests Woodlands
Diet Omnivores Dung Feeders
Regions South Texas, Mexico, Central America East Asia, Japan
Conservation Least Concern Near Threatened

Blue Metalmark

A tiny butterfly with vivid metallic blue upper wings that flash brilliantly in sunlight. It perches on rocks and gravel near streams in tropical forests.

💡

Did You Know?

Its brilliant blue iridescence is structural rather than pigmented, produced by nanoscale lattice structures in the wing scales.

Great Purple Emperor

Japan's national butterfly, known as 'o-murasaki' in Japanese. Males display a stunning purple iridescence on their wings. A large and powerful flier found in deciduous forests.

💡

Did You Know?

Designated as Japan's national butterfly in 1957, the Great Purple Emperor is rarely seen feeding on flowers, preferring tree sap instead.