Have you tried permethrin and bifenthrin? They are not systemic but they should kill mites and persist for a year. -----Original Message----- From: pbs [mailto:pbs-bounces@lists.ibiblio.org] On Behalf Of Mohammad Sadegh Sent: Wednesday, July 02, 2014 4:42 PM To: Pacific Bulb Society Subject: [pbs] Anybody can help me with information about hot water treatment of lily bulbs against bulb mites? Hi Friends I grow lilies in North west of Iran , Bulb mites infected must of my lilium bulbs and i want to eliminate them from our yard and my bulbs, i use some pesticides with no success in soil and i want to tr with bulb hot water treatment. In McRae's Book (Lilies a guide for growers and collectors) he mentioned that it is possible to control this mites with hot water treatment , Can i eliminate bulb mites (eggs and adults) with bulb hot water treatment ? I want to treat bulbs in 42 C for 1 hours as McRae Recommend . Thank you very much Mohammad Sadegh Ardabil ,Iran