 The species epithet is derived from the Greek , meaning "hand", and "Acanthium", a genus of thorny-stemmed plants.Though they are beneficial predators in agricultural fields, they are also known to be mildly venomous to humans.Painful bites may be incurred from species such as "C. punctorium" in Europe, "C. mildei" in Europe and North America, "C. inclusum" in the Americas, "C. lawrencei" in South Africa and "C. japonicum" in Japan.