Neotropical Longhorn Beetle vs Riffle Beetle

Side-by-side species comparison

Attribute Neotropical Longhorn Beetle Riffle Beetle
Scientific Name Callipogon relictus Elmis aenea
Order Coleoptera Coleoptera
Family Cerambycidae Elmidae
Size 65-110 mm 1.5-2.5 mm
Habitat Grasslands Rivers & Streams
Diet Wood Feeders Detritivores
Regions Russian Far East, Korean Peninsula, China Europe
Conservation Endangered Least Concern

Neotropical Longhorn Beetle

A large relict longhorn beetle with massive toothed mandibles and dark reddish-brown coloring. It is considered a living fossil within its family.

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Did You Know?

It is a Tertiary relict species, meaning its closest relatives are found as fossils from millions of years ago.

Riffle Beetle

A tiny, dark beetle that spends its entire adult life underwater clinging to rocks in riffles. It breathes using a plastron, a permanent thin film of air.

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Did You Know?

Its plastron air film never needs replenishing, allowing it to remain permanently submerged.