Black Witch Moth vs Brown Argus

Side-by-side species comparison

Attribute Black Witch Moth Brown Argus
Scientific Name Ascalapha odorata Aricia agestis
Order Lepidoptera Lepidoptera
Family Erebidae Lycaenidae
Size 120-170 mm wingspan 25-31 mm wingspan
Habitat Woodlands Beaches & Coastal
Diet Fruit Feeders Nectar Feeders
Regions South America (Brazil, Colombia, Venezuela, Peru, Ecuador, Argentina) Europe, western Asia, North Africa
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.

Brown Argus

A small chocolate-brown butterfly with a row of bright orange crescent-shaped spots around the wing margins. Despite its brown color, it belongs to the blue butterfly subfamily.

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Did You Know?

It has expanded its range northward in Britain in recent decades, likely in response to climate warming.