 Due to the continued use of CpGV in the field, populations resistant to the Mexican strain of "C. pomonella" have been identified.New strains which are able to manage resistant codling moth populations have been developed.These strains are commercialized by BioTEPP inc. into Virosoft CP4, NPP/Arysta LifeScience into Carpovirusine Evo 2 and by Andermatt Biocontrol AG into Madex Max and Madex Plus.