The conclusions of the European Food Safety Authority (EFSA) following the peer review of the initial risk assessments carried out by the competent authority of the rapporteur Member State Italy, for the pesticide active substance Bacillus thuringiensis israelensis AM65-52 are reported. The context of the peer review was that required by Commission Regulation (EC) No 2229/2004, as amended by Commission Regulation (EC) No 1095/2007. The conclusions were reached on the basis of the evaluation of the representative uses of Bacillus thuringiensis israelensis AM65-52 as an insecticide on ornamentals. The reliable endpoints concluded as being appropriate for use in regulatory risk assessment, derived from the available studies and literature in the dossier peer reviewed, are presented. Missing information identified as being required by the regulatory framework is listed. Concerns are identified.