Fiji Blue Spotted Crow vs Sweetheart Underwing

Side-by-side species comparison

Attribute Fiji Blue Spotted Crow Sweetheart Underwing
Scientific Name Euploea tulliolus Catocala amatrix
Order Lepidoptera Lepidoptera
Family Nymphalidae Erebidae
Size 55-75 mm wingspan 75-95 mm wingspan
Habitat Underground Woodlands
Diet Nectar Feeders Sap Feeders
Regions Oceania (Fiji, Tonga, Samoa) Eastern North America from southern Canada to the southern United States
Conservation Least Concern Least Concern

Fiji Blue Spotted Crow

A dark-winged butterfly with distinctive blue-white spotted margins, found in Fiji and other Pacific islands. It belongs to the milkweed butterfly group and has a slow, drifting flight. Larvae feed on plants containing toxic alkaloids.

💡

Did You Know?

Like monarch butterflies, this species sequesters toxic chemicals from its larval food plants, making it distasteful to birds.

Sweetheart Underwing

A large underwing moth with mottled gray-brown forewings and rosy-pink hindwings crossed by black bands. It is one of the most attractive members of the underwing genus.

💡

Did You Know?

Its scientific name amatrix means 'sweetheart' in Latin, referring to the rosy-pink color of its hidden hindwings.