Hawaiian Big-headed Ant vs Ivory-Marked Beetle

Side-by-side species comparison

Attribute Hawaiian Big-headed Ant Ivory-Marked Beetle
Scientific Name Pheidole megacephala Eburia quadrigeminata
Order Hymenoptera Coleoptera
Family Formicidae Cerambycidae
Size 2-4 mm 15-25 mm
Habitat Woodlands Woodlands
Diet Seed Feeders Wood Feeders
Regions Hawaii, Pacific Islands Eastern North America
Conservation Not Evaluated Least Concern

Hawaiian Big-headed Ant

An invasive ant now widespread in Hawaii with a disproportionately large head in the soldier caste. It displaces native insects throughout the islands.

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Did You Know?

It is listed among the world's 100 worst invasive species by the IUCN.

Ivory-Marked Beetle

A tan longhorn beetle with pairs of ivory-colored raised spots on each elytron. Larvae bore into hardwood timbers.

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Did You Know?

Adults have emerged from furniture over 40 years after the wood was cut and processed.