Violet Longhorn vs Hispaniolan Swallowtail

Side-by-side species comparison

Attribute Violet Longhorn Hispaniolan Swallowtail
Scientific Name Callidium violaceum Papilio aristodemus
Order Coleoptera Lepidoptera
Family Cerambycidae Papilionidae
Size 8-16 mm 90-110 mm wingspan
Habitat Forests Forests
Diet Wood Feeders Wood Feeders
Regions Europe, North America, Siberia Hispaniola, Florida Keys, Cuba
Conservation Least Concern Endangered

Violet Longhorn

A compact, flat cerambycid with a striking metallic violet coloration across its entire body. Widespread in conifer forests of the Northern Hemisphere, it breeds in dry dead conifer wood. Adults are occasionally found in houses after emerging from firewood.

💡

Did You Know?

Larvae can survive in kiln-dried timber and have emerged from furniture and log cabin walls years after construction.

Hispaniolan Swallowtail

A large swallowtail butterfly found in the Caribbean with yellow and dark brown wings. Several subspecies are endemic to different islands.

💡

Did You Know?

The Florida Keys subspecies ponceanus is one of the rarest butterflies in the United States.