aphid

Meet the ballistics experts of the bug world: A quick draw beetle that fires volatile liquids with the pulse of a Tommy Gun, aphids that self-combust at the threat of a predator and a double-pistoled worm that sprays its victim with streams of goo. Of course, these insects are not the only invertebrates carrying chemical artillery—bees are maybe the most famous projectile-launching bugs around. The below insects, however, give a unique look into chemical warfare on a small scale.