Hercules Moth vs Fatal Metalmark

Side-by-side species comparison

Attribute Hercules Moth Fatal Metalmark
Scientific Name Coscinocera hercules Calephelis nemesis
Order Lepidoptera Lepidoptera
Family Saturniidae Riodinidae
Size 270 mm wingspan 18-25 mm wingspan
Habitat Forests Rivers & Streams
Diet Omnivores Nectar Feeders
Regions Oceania Southwestern United States, Mexico
Conservation Least Concern Least Concern

Hercules Moth

Has the largest wing area of any moth — up to 300 square centimeters. Named after Hercules for its great size. Adults live only about two weeks and do not eat.

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Did You Know?

The Hercules moth has the largest wing surface area of any insect on Earth — its wings can cover an area larger than an open human hand.

Fatal Metalmark

A tiny dark brown butterfly with fine metallic silver lines across the wings and minute checkered fringes. Despite its ominous name, it is a harmless nectar feeder.

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Did You Know?

The name 'nemesis' refers to the Greek goddess of retribution, though the reason for this dramatic name is unclear.