Bornean Flat-horned Beetle vs Woodland Brown

Side-by-side species comparison

Attribute Bornean Flat-horned Beetle Woodland Brown
Scientific Name Gnaphaloryx squalidus Lopinga achine
Order Coleoptera Lepidoptera
Family Lucanidae Nymphalidae
Size 20-35 mm 48-56 mm wingspan
Habitat Woodlands Woodlands
Diet Wood Feeders Wood Feeders
Regions Southeast Asia (Borneo, Malaysia, Indonesia) Central and eastern Europe, temperate Asia
Conservation Least Concern Near Threatened

Bornean Flat-horned Beetle

A compact stag beetle with a broad, flattened body perfectly adapted for living under bark. It is dark reddish-brown with flattened mandibles and ridged elytra for grip in tight spaces.

💡

Did You Know?

Its extremely flat body allows it to squeeze into crevices less than 5 mm wide between bark and wood.

Woodland Brown

A large brown butterfly with prominent yellow-ringed eyespots along the margins of both wings. It is one of Europe's most threatened butterflies due to changes in woodland management.

💡

Did You Know?

It requires a very specific habitat of partially shaded grassy woodland that is now vanishingly rare.