In many countries they are considered as natural enemies (macro organisms) and can therefore be used in organic farming. Local registration requirements and retail demands can differ, so always check the local situation in your country.
Our nematode products Entonem and Capsanem are OMRI listed, meaning that this formulation has been reviewed by OMRI against the USA and Canadian organic standards. Other products are in the certification process. Please contact the local Koppert subsidiary for more info.