Ah Ha!!!!! Bingo!!!!!
That will be it. Ain't sawdust, it is the remains of the meleuca after
it has been through the caterpillar. Think the Pyrethrum may have
slowed it down a bit then. Out with the water jet!!!!
Thank You!
"Tricia" wrote:
Oh and the pest is probably the webbing caterpillar.
http://farrer.riv.csu.edu.au/ASGAP/melaleuc.html
See reference just above "Some Selected Species"