My Dieffenbachia suddenly is covered with very tiny white things that are attached to the top side of the leaf. They stick straight out from the plant. They do not move. Also, perfectly healthy leaves are dropping right off. Never had this problem before. PLEASE help.
Infestation of White Tiny Attachments to Top Side of Dieffenbachia
Certified GKH Gardening Expert
It sounds like mealy bugs, though it could be some other type of pest. Nonetheless, it can be treated with neem oil. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm