What are the characteristics and behaviors of red wood bugs?

Red wood bugs, also known as Pyrrhocoris apterus, are small insects with bright red and black markings. They are commonly found in forests and woodlands. These bugs are known for their social behavior, often forming large groups or clusters. They feed on plant sap and are not harmful to humans. Red wood bugs are also known for their distinctive defensive behavior of emitting a foul-smelling liquid when threatened.