Rolled-wing Beetle vs Miyama Stag Beetle

Side-by-side species comparison

Attribute Rolled-wing Beetle Miyama Stag Beetle
Scientific Name Derodontus maculatus Lucanus maculifemoratus
Order Coleoptera Coleoptera
Family Derodontidae Lucanidae
Size 2-4 mm 40-78 mm
Habitat Forests Mountains
Diet Fungus Feeders Sap Feeders
Regions North America, Europe Japan, Korea, China, Taiwan
Conservation Least Concern Not Evaluated

Rolled-wing Beetle

A tiny beetle that feeds on slime molds on decaying logs in cool forests.

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Did You Know?

It curls its elytra edges downward, giving the family its common name.

Miyama Stag Beetle

A Japanese stag beetle with golden-brown fur on its thorax and elaborate antler-like mandibles. It is one of the most popular pet beetles in Japan.

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Did You Know?

Its Japanese name "miyama" means "deep mountain," reflecting its preference for high-elevation forests.