Samoan Rhinoceros Beetle vs Green Tiger Longhorn

Side-by-side species comparison

Attribute Samoan Rhinoceros Beetle Green Tiger Longhorn
Scientific Name Scapanes australis Chelidonium argentatum
Order Coleoptera Coleoptera
Family Scarabaeidae Cerambycidae
Size 40-70 mm 12-20 mm
Habitat Farmland Forests
Diet Wood Feeders Wood Feeders
Regions Oceania (Papua New Guinea, Solomon Islands, Samoa) Brazil (Atlantic Forest region)
Conservation Least Concern Least Concern

Samoan Rhinoceros Beetle

A large rhinoceros beetle found in Papua New Guinea, the Solomon Islands, and parts of Samoa. Males have a large forked horn on the head. It is associated with palm trees and is attracted to fermenting coconut sap.

💡

Did You Know?

Males use their forked head horn to pry rival males off tree trunks during battles over feeding and mating sites.

Green Tiger Longhorn

A medium-sized Neotropical cerambycid with silvery-green pubescent patches on a dark body, found in the Atlantic Forest of Brazil. It breeds in dead branches of native hardwoods. Adults are diurnal and visit flowers.

💡

Did You Know?

The silvery pubescence is formed by flattened scales that reflect light, giving the beetle a shimmering appearance.