Bark Gnawing Beetle vs Promethea Moth

Side-by-side species comparison

Attribute Bark Gnawing Beetle Promethea Moth
Scientific Name Trogossita japonica Callosamia promethea
Order Coleoptera Lepidoptera
Family Trogossitidae Saturniidae
Size 12-18 mm Wingspan 75-95mm
Habitat Woodlands Woodlands
Diet Predators Herbivores
Regions East Asia North America
Conservation Not Evaluated Least Concern

Bark Gnawing Beetle

A predatory beetle found under bark where it hunts wood-boring larvae. Its flattened body is well suited to life in bark crevices.

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Did You Know?

It is considered a beneficial species because it preys on destructive bark beetles.

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.