Black Witch Moth vs Large Case Moth

Side-by-side species comparison

Attribute Black Witch Moth Large Case Moth
Scientific Name Ascalapha odorata Metura elongatus
Order Lepidoptera Lepidoptera
Family Erebidae Psychidae
Size 120-170 mm wingspan Case up to 15 cm long; male moth 2-3 cm wingspan
Habitat Woodlands Woodlands
Diet Fruit Feeders Herbivores
Regions South America (Brazil, Colombia, Venezuela, Peru, Ecuador, Argentina) Australia
Conservation Least Concern Least Concern

Black Witch Moth

One of the largest moths in the Western Hemisphere, with dark brown to black wings marked with subtle iridescent purple and pink highlights. A comma-shaped translucent spot marks each forewing. It is a strong migrant, capable of long-distance flights.

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Did You Know?

In many South American cultures, it is considered an omen of death when it enters a home, earning it the Spanish name mariposa de la muerte.

Large Case Moth

A bagworm moth whose larva builds a distinctive silk case covered in sticks and leaves. The wingless female never leaves her case, while males are small dark moths.

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Did You Know?

The wingless, legless adult female lives and dies inside her larval case after mating.