Sardinian Cave Beetle vs Grant's Hercules Beetle

Side-by-side species comparison

Attribute Sardinian Cave Beetle Grant's Hercules Beetle
Scientific Name Speomolops sardous Dynastes granti
Order Coleoptera Coleoptera
Family Molopidius Dynastinae
Size 8-10 mm 40-80 mm
Habitat Caves Mountains
Diet Omnivores Sap Feeders
Regions Sardinia Southwestern United States, Northern Mexico
Conservation Vulnerable Not Evaluated

Sardinian Cave Beetle

A blind cave beetle endemic to a single cave system in Sardinia. It has no eyes, no pigment, and elongated legs and antennae.

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Did You Know?

It was only discovered in 1970 and remains known from a single cave near Cagliari.

Grant's Hercules Beetle

A large rhinoceros beetle from the American Southwest with mottled elytra. Males have a prominent horn used in territorial disputes.

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Did You Know?

They are attracted to lights at night and sometimes startle homeowners with their impressive size.