Tut Tut!!! Suggesting using products for pest control that have not been approved for use by DEFRA PSD is illegal!!!
There's no doubt that surfactant-based products work against many different arthropod pests as they have a direct effect on the wax that they produce to protect them from rain and condensation. Check this link out to learn mo
http://www.whitefly.org/resources/ne...id=19&zoneid=5