East Asian Pheropsophus Bombardier vs Gyas Beetle

Side-by-side species comparison

Attribute East Asian Pheropsophus Bombardier Gyas Beetle
Scientific Name Pheropsophus jessoensis Dynastes gyas
Order Coleoptera Coleoptera
Family Carabidae Dynastinae
Size 15-25 mm 50-110 mm
Habitat Farmland Forests
Diet Predators Sap Feeders
Regions Japan, Korea, eastern China, Russian Far East Brazil
Conservation Least Concern Not Evaluated

East Asian Pheropsophus Bombardier

A large Asian bombardier beetle with an orange head and pronotum and dark blue-black elytra. It is the largest bombardier beetle in Japan and produces powerful chemical sprays.

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Did You Know?

It can spray its boiling chemical defense up to 20 centimeters with a popping sound audible from several meters away, and can fire repeatedly up to 20 times before depleting its reserves.

Gyas Beetle

A large South American relative of the Hercules beetle with shorter, thicker horns. Body is dark brown to black.

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Did You Know?

Unlike the Hercules beetle, their elytra remain dark and do not change color with humidity.