Promethea Moth vs Spiny Longhorn Beetle

Side-by-side species comparison

Attribute Promethea Moth Spiny Longhorn Beetle
Scientific Name Callosamia promethea Acanthophorus serraticornis
Order Lepidoptera Coleoptera
Family Saturniidae Cerambycidae
Size Wingspan 75-95mm 50-85 mm
Habitat Woodlands Woodlands
Diet Herbivores Wood Feeders
Regions North America Sub-Saharan Africa
Conservation Least Concern Not Evaluated

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.

Spiny Longhorn Beetle

One of Africa's largest longhorn beetles with serrated antennae and powerful mandibles. Dark brown to black and heavily armored.

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Did You Know?

Males produce loud stridulating sounds by rubbing their thorax, audible from several meters away.