I see that there a few different posts on insect infestations etc and the best treatment.
Well ,after noticing the possible start of whitefly on my VFT i was searching the web and came across a product called ,SB plant invigorater and bug killer, it turns out it is totally insecticide free,safe to pets and children and also
feeds your plant at the same time ,and also i found out later on that evening it comes recommended by Hampshire C.Ps and is used by them.
So it goes without saying i now have some in the greenhouse reading and waiting