1.1 This specification includes standard terminology, classification, and referenced documents as well as description of the test method determining whether the number of P. persimilis in the shipment and the pur This specification covers information on and two test methods for quantification of commercial shipments of the predatory mite, Phytoseiulus persimilis Athias-Henriot (Acarina: Phytoseiidae), predator of the two-spotted spider mite, Tetranychus urticae