Amazon Flat Ground Beetle vs Bates' Rosalia

Side-by-side species comparison

Attribute Amazon Flat Ground Beetle Bates' Rosalia
Scientific Name Agra eowilsoni Rosalia batesi
Order Coleoptera Coleoptera
Family Carabidae Cerambycidae
Size 15-20 mm 18-30 mm
Habitat Forests Forests
Diet Predators Wood Feeders
Regions Costa Rica, Panama Japan (Honshu, Shikoku, Kyushu)
Conservation Least Concern Near Threatened

Amazon Flat Ground Beetle

An extremely elongated, ant-like ground beetle from Central American rainforests. Its narrow body and long mandibles make it look unlike any typical ground beetle.

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Did You Know?

The genus Agra contains over 500 species of extraordinarily elongated tropical ground beetles, many described from single specimens and likely containing hundreds more undescribed species.

Bates' Rosalia

A rare and beautiful longhorn beetle with pale lavender-grey elytra and contrasting black spots, found in the temperate forests of Japan. It is named after the famous naturalist Henry Walter Bates. Adults appear briefly in midsummer.

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Did You Know?

Despite being the subject of intense collector interest, this species remains poorly studied in the wild.