Argent and Sable Moth vs Fujian Flat Stag Beetle

Side-by-side species comparison

Attribute Argent and Sable Moth Fujian Flat Stag Beetle
Scientific Name Rheumaptera hastata Dorcus montivagus
Order Lepidoptera Coleoptera
Family Geometridae Lucanidae
Size 28-34 mm wingspan 20-35 mm
Habitat Woodlands Woodlands
Diet Herbivores Wood Feeders
Regions Northern Europe East Asia, Japan/Korea
Conservation Near Threatened Least Concern

Argent and Sable Moth

A strikingly patterned black and white day-flying moth. Found on moorland and in birch woodland. Has declined severely in southern parts of its range. Named from heraldic terms.

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Did You Know?

Named using heraldic terms: 'argent' for silver/white and 'sable' for black, describing its bold pattern.

Fujian Flat Stag Beetle

A sleek, flat-bodied stag beetle found in Japan and Korea that specializes in living under bark. Its flattened body allows it to squeeze into tight spaces between bark and wood.

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Did You Know?

This beetle's extremely flat body is an adaptation for living in the narrow space between bark and wood, where it is protected from most predators.