 Briefly, in 1948 the idea of an international organization on biological control was conceived.By 1950 the IUBS decided to support the establishment of a "Commission Internationale de Lutte Biologique" (CILB) as part of the IUBS Division of Animal Biology and a committee was established to further this concept.In 1955 the statutes of the new organization were ratified by the IUBS and the first plenary session of the CILB took place at Antibes, France.