Orizaba Silk Moth vs Blue Doctor Butterfly

Side-by-side species comparison

Attribute Orizaba Silk Moth Blue Doctor Butterfly
Scientific Name Rothschildia orizaba Rhetus periander
Order Lepidoptera Lepidoptera
Family Saturniidae Riodinidae
Size 110-145 mm 55-65 mm wingspan
Habitat Forests Rivers & Streams
Diet Omnivores Herbivores
Regions Mexico, Central America, southwestern United States South America (Brazil, Peru, Colombia, Ecuador, Venezuela, Bolivia)
Conservation Least Concern Least Concern

Orizaba Silk Moth

A magnificent New World silk moth with large reddish-brown wings bearing conspicuous triangular clear windows. It was historically reared for its silk in parts of Mexico.

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Did You Know?

Indigenous peoples of Mexico once used the silk from Rothschildia orizaba cocoons to weave a coarse fabric, making it one of the few New World silk moths commercially utilized.

Blue Doctor Butterfly

A large metalmark butterfly with brilliant metallic blue upperwings and distinctive red-spotted underwings with long tail streamers. It is one of the largest and most spectacular members of the family Riodinidae. Males are territorial and frequently seen perching on sunlit leaves.

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Did You Know?

Despite being a metalmark butterfly rather than a swallowtail, it has evolved long tail streamers on its hindwings through convergent evolution.