Promethea Moth vs Witchetty Grub

Side-by-side species comparison

Attribute Promethea Moth Witchetty Grub
Scientific Name Callosamia promethea Endoxyla leucomochla
Order Lepidoptera Lepidoptera
Family Saturniidae Cossidae
Size Wingspan 75-95mm 50-70 mm
Habitat Woodlands Deserts & Drylands
Diet Herbivores Root Feeders
Regions North America Oceania
Conservation Least Concern Least Concern

Promethea Moth

A large silk moth with strong sexual dimorphism. Males are dark with tan margins while females are reddish-brown with lighter markings.

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Did You Know?

Males fly during the afternoon which is unusual for silk moths and they are sometimes mistaken for dark-colored swallowtail butterflies.

Witchetty Grub

The larva of a cossid moth and the most important insect food of Australian Aboriginal desert peoples. Rich in protein and fat, traditionally eaten raw or lightly cooked.

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Did You Know?

Witchetty grubs have been a staple food of Aboriginal Australians for over 40,000 years — raw, they taste like almonds; cooked, like scrambled eggs with a crispy skin.