Tropicals & Tender Perennials: Possible Hoya macgillivrayi Problem - Any Ideas?, 0 by Hoya_24

Hoya_24 wrote:
I've got a Hoya macgillivrayi that I'm having a lot of trouble with new emerging leaves. They begin curling and become deformed. The new leaves get sort of dusty looking with a white waxy dust. When I rub it off with my finger, it seems very waxy, and it appears on both the top and bottom of the leaf. There is no insect activity that I can discern on this plant unless my 46-year-old eyes just can't make them out. The plant was treated with BATS twice over the summer in the greenhouse as a preventative. I never really noticed this problem until I brought the plant inside about 3 weeks ago. I have attached a picture of the entire plant. All the bottom leave are perfect, what ever is happening is only taking place on new growth.