hmm, interesting, I didn't realise that millipedes looked so much like maggots - thanks.
Unfortunately no, I didn't take any pictures of the white stuff, but it was sticky, like melted marshmallow fluf and the seed thing was small, about 4mm across, squidgy and tan brown colour. I didn't think much about what they were, I just removed them. When I called the vendor they just said none of their trees were imported and that I should spray them with insecticide or pesticide. In honesty, I don't think I would recommend them or buy from them again.