Pine Bark Longhorn vs Madagascan Giant Swallowtail

Side-by-side species comparison

Attribute	Pine Bark Longhorn	Madagascan Giant Swallowtail
Scientific Name	Asemum striatum	Pharmacophagus antenor
Order	Coleoptera	Lepidoptera
Family	Cerambycidae	Papilionidae
Size	10-20 mm	100-120 mm wingspan
Habitat	Forests	Forests
Diet	Wood Feeders	Nectar Feeders
Regions	Europe, North America, Siberia, Japan	Madagascar
Conservation	Least Concern	Least Concern

Pine Bark Longhorn

A flat, dark grey-brown spondylidine beetle with longitudinal ridges on the elytra. Common in conifer forests across the Northern Hemisphere, it breeds under the bark of dead pines. Adults are nocturnal and hide under bark by day.

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Did You Know?

Adults occasionally emerge from structural pine timber in buildings, sometimes years after the wood was milled.

Madagascan Giant Swallowtail

A large black swallowtail butterfly with red and white markings, endemic to Madagascar. It is the island's largest butterfly species.

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Did You Know?

Larvae sequester toxic aristolochic acids from their host plant, making them unpalatable to birds.