Saw Stag Beetle vs Little Carpenterworm

Side-by-side species comparison

Attribute Saw Stag Beetle Little Carpenterworm
Scientific Name Prosopocoilus inclinatus Prionoxystus macmurtrei
Order Coleoptera Lepidoptera
Family Lucanidae Cossidae
Size 25-75 mm 25–45 mm wingspan
Habitat Woodlands Woodlands
Diet Sap Feeders Wood Feeders
Regions Japan, Korea Eastern North America
Conservation Least Concern Not Evaluated

Saw Stag Beetle

A common Japanese stag beetle with serrated inner mandible edges. They are frequently encountered at sap flows on oak trees.

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Did You Know?

Their saw-toothed mandibles give them a superior grip when wrestling other beetles off tree trunks.

Little Carpenterworm

A smaller relative of the carpenterworm moth that bores into oaks and other hardwoods. Larvae create long tunnels through the sapwood and heartwood.

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Did You Know?

Its tunnels reduce the commercial value of lumber and provide entry points for wood-decay fungi.