Frog-legged Leaf Beetle vs Cynthia Moth

Side-by-side species comparison

Attribute Frog-legged Leaf Beetle Cynthia Moth
Scientific Name Sagra femorata Samia cynthia
Order Coleoptera Lepidoptera
Family Chrysomelidae Saturniidae
Size 18-30 mm 100-140 mm wingspan
Habitat Forests Woodlands
Diet Omnivores Omnivores
Regions South and Southeast Asia Native to China and India; introduced to North America and Europe
Conservation Least Concern Least Concern

Frog-legged Leaf Beetle

A large, metallic beetle with spectacular iridescent coloring ranging from deep blue to green, red, and purple. Males possess enormously swollen hind femora used in combat.

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Did You Know?

The dramatic sexual dimorphism in leg size is one of the most extreme in beetles, with male hind legs being several times thicker than female legs.

Cynthia Moth

An olive and brown silk moth with distinctive white crescent marks and lilac shading on the wing margins. Originally from Asia, it was widely introduced for eri silk production.

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Did You Know?

Feral populations became established in New York City in the 1800s, thriving on the abundant ailanthus trees.