What is "brachinus crepitans"

Bombardier \Bom`bar*dier"\, n. [F. bombardier.] (Mil.)

1. One who used or managed a bombard; an artilleryman; a gunner. [Archaic]

2. A noncommissioned officer in the British artillery.

   Bombardier beetle (Zo["o]l.), a kind of beetle ( Brachinus crepitans), so called because, when disturbed, it makes an explosive discharge of a pungent and acrid vapor from its anal glands. The name is applied to other related species, as the Brachinus displosor, which can produce ten or twelve explosions successively. The common American species is Brachinus fumans.

Brachinus crepitans is a species of ground beetle in the Brachininae subfamily that can be found everywhere in Europe, except for Monaco, Norway, San Marino, Vatican City, and some islands such as Cyclades, Gibraltar, Iceland, Madeira, Malta, North Aegean, Novaya Zemlya, and Savage Islands. It can also be found in every Central Asian and Middle Eastern country except for Afghanistan. North African countries have them too.