Blue Death-feigning Beetle vs East Asian Pheropsophus Bombardier

Side-by-side species comparison

Attribute Blue Death-feigning Beetle East Asian Pheropsophus Bombardier
Scientific Name Asbolus verrucosus Pheropsophus jessoensis
Order Coleoptera Coleoptera
Family Tenebrionidae Carabidae
Size 18-21mm 15-25 mm
Habitat Deserts & Drylands Farmland
Diet Detritivores Predators
Regions North America Japan, Korea, eastern China, Russian Far East
Conservation Least Concern Least Concern

Blue Death-feigning Beetle

A rounded blue-grey desert beetle covered in a waxy powder-blue coating. When threatened it flips onto its back and plays dead with legs extended stiffly.

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Did You Know?

Its death-feigning behavior is so convincing that predators lose interest and the beetle can remain motionless for hours.

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.