Swallow Prominent vs Blue Metalmark

Side-by-side species comparison

Attribute Swallow Prominent Blue Metalmark
Scientific Name Pheosia tremula Lasaia sula
Order Lepidoptera Lepidoptera
Family Notodontidae Riodinidae
Size Wingspan 44-60mm 18-22 mm wingspan
Habitat Underground Forests
Diet Herbivores Omnivores
Regions Europe, Asia South Texas, Mexico, Central America
Conservation Least Concern Least Concern

Swallow Prominent

A pale grey-white moth with a distinctive dark wedge-shaped mark along the inner edge of each forewing. It has a deeply toothed trailing wing edge.

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Did You Know?

Its name comes from the deeply notched trailing edge of the hindwings which gives them a swallow-tail like appearance.

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.

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Did You Know?

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