I've been experimenting with pest control methods over the past couple of weeks, and most with limited success. My egg plant has been over run by mealy bugs and white fly, very frustrating! I've tried: Home made white oil - seems to clog up the leaves even at low concentrations causing slow growth or death of plants Naturasoap - minimum dilution over most plants - reduced numbers of white fly by 20% initially but came back strong within a couple of days. Zero effect on mealy bugs. left white residue all over leaves Seasol - works well in high concentrations, but leaves the plants sticky and with poor growth. Methylated Spirits - best by far as it kills almost on contact, but seems to dissolve the chlorophyll out of the leaves. Anything else I can try?