Although they do not bite, some millipedes defend themselves another way. They produce an unpleasant-smelling liquid from glands on their sides. Scientists think this liquid is toxic to insects, spiders and small animals.

Are millipedes poisonous UK?

Millipedes, unlike centipedes, are not venomous and are predominantly considered to be non-poisonous. … These fluids can cause relatively minor irritation if it comes into contact with the skin of someone who is sensitive to these fluids and has unknowingly crushed one or more millipedes.

Do millipedes bite humans?

Unlike centipedes, millipedes do not bite or sting. The toxin that millipedes release keeps away most predators. Some large millipede species can spray these toxins as far as 32 inches (80 cm). Contact with these secretions may cause allergic reactions in some people.