European Rhinoceros Beetle vs Harpalus Seed-eating Ground Beetle

Side-by-side species comparison

Attribute European Rhinoceros Beetle Harpalus Seed-eating Ground Beetle
Scientific Name Allomyrina dichotoma Harpalus rufipes
Order Coleoptera Coleoptera
Family Scarabaeidae Carabidae
Size 40-55 mm 11-16 mm
Habitat Grasslands Tundra & Arctic
Diet Sap Feeders Predators
Regions East Asia Europe, Western Asia, Introduced to North America
Conservation Least Concern Least Concern

European Rhinoceros Beetle

A large, chestnut-brown beetle with a forked horn on the male's head. It is immensely popular as a pet in Japan and South Korea.

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Did You Know?

It is the most popular pet insect in Japan, sold in department stores and convenience shops.

Harpalus Seed-eating Ground Beetle

A common Palearctic ground beetle with pubescent elytra and orange-red legs. Despite being partly granivorous, it also preys on aphids and small insects.

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Did You Know?

It is one of the few ground beetles that feeds heavily on weed seeds, making it a valuable pest control ally.