Baronia Swallowtail vs Spined Bark Longhorn

Side-by-side species comparison

Attribute Baronia Swallowtail Spined Bark Longhorn
Scientific Name Baronia brevicornis Acanthocinus reticulatus
Order Lepidoptera Coleoptera
Family Papilionidae Cerambycidae
Size 55-70 mm wingspan 8-14 mm
Habitat Forests Forests
Diet Herbivores Wood Feeders
Regions Southwestern Mexico Central and Northern Europe
Conservation Near Threatened Least Concern

Baronia Swallowtail

The most primitive living swallowtail butterfly, restricted to a small area of southwestern Mexico. A true living fossil representing a lineage over 50 million years old.

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Did You Know?

The most primitive living papilionid butterfly, with a lineage stretching back over 50 million years.

Spined Bark Longhorn

A small flattened longhorn with reticulate patterning on its elytra and long lateral spines on the pronotum. Found across European coniferous forests, it breeds under the bark of recently dead pines. Adults are cryptic and rarely seen.

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Did You Know?

This beetle's flattened body allows it to squeeze into bark crevices only 2-3 mm wide to lay eggs.