Malagasy Stag Beetle vs Speyer's Cave Beetle

Side-by-side species comparison

Attribute Malagasy Stag Beetle Speyer's Cave Beetle
Scientific Name Hexaphyllum madecassum Aphaobius milleri
Order Coleoptera Coleoptera
Family Lucanidae Leiodidae
Size 25-40 mm 3-5 mm
Habitat Woodlands Caves
Diet Wood Feeders Detritivores
Regions Madagascar Austria, Slovenia
Conservation Data Deficient Least Concern

Malagasy Stag Beetle

A medium-sized stag beetle with antennae bearing six leaf-like lamellae, which gives the genus its name. Males have modest but distinctly toothed mandibles.

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Did You Know?

Its six-plated antennal clubs are unusually large for a stag beetle of its size, giving it enhanced olfactory abilities.

Speyer's Cave Beetle

A troglobitic beetle endemic to caves in the eastern Alps. It has a convex body shape and completely lacks eyes.

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Did You Know?

It can tolerate near-freezing temperatures in high-altitude caves.