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Belonging to the ground beetle family (Carabidae) with over two thousand five hundred species Australia wide these beetles are carnivorous and hunt on the ground or in trees. Their larvae feed on other insects. When threatened the Bombardier Beetle uses a special gland at its rear to mix together two chemicals, resulting in an explosion with a loud popping noise and an accompanying sizzle of spray and steam with temperatures over 100 degrees Celsius in the gland. Up to 80 explosions may be produced over a four minute period.

I.D. and reference courtesy of Martyn Robinson and Yvette Simpson. Australian Museum.

Further reading: http://australianmuseum.net.au/Bombardier-Beetle/

Bonmardier Beetle  Pheropsophus verticalis

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