Dear all, A few years ago I have lost a mimosa tree because of a continuous attack of "Metcalfa' and during the winter 'mealy bug" No chemical treament solved the problem. The new Mimosa tree again was attacked and suffered badly. Twee weeks ago I "cleaned" the tree with a Karcher high pressure pump. A total succes. I cannot think of any more ecological solution. Greetings Lauw de Jager BULB'ARGENCE Mas d'Argence 30300 FOURQUES, France Zone tel 33(0)466 016 519 ou 33(0)877733 970 fax 0466 011 245 Code Skype telephone: dejagerlauw http://www.bulbargence.com/ mailto: firstname.lastname@example.org Coord. Geogr.(GPS): 43°42' 43" N 4° 32' 12" E > that must be quite some equipment you have, carlo, as > in my experience scale insects are basically glued to > the plant and very hard to knock off unless you use > your fingers and pick them individually one by one. > > --- "email@example.com" <firstname.lastname@example.org> > wrote: > >> ...a good strong spray of water will blast off scale >> and mealy >> bug--about the least toxic solution imaginable.