In 1969, under the auspices of the IUBS, an agreement was reached among organizations to merge IOBC and the “International advisory committee for biological Control” (active in English-speaking countries) into a single international organization under the name IOBC.
I 1969 blev i IUBS regi opnået en aftale mellem organisationerne om at samle IOBC og “International advisory committee for biological Control” til en enkelt international organisation under navnet IOBC.