The bombardier beetle, known scientifically as Brachinus, is a dark brown to black beetle with reddish-orange legs and head. The beetles are small in size, roughly half an inch to one inch in length.

The bombardier beetle is an inconspicuous insect that ranges much of the world with calm and self-assurance—and for jood reason. When attacked by a ferocious ant, its natural enemy, the bombardier ...