Mite Predator, Phytoseiulus persimilis PLUS - 10,000 (5 X 2000)Ships via Overnight methods Monday Thursday only. Effective control of two spotted spider mites! Release Phytoseiulus persimilis PLUS at first sign of mite infestation. Once leaf damage is serious, more than 4 mites per leaf, achieving control is more difficult. For heavy infestations, remove the most affected plants and use a knock down spray (see Neem Oil). Wait 48 hours after application of a knockdown spray to release predatory mites. P.