Mealy Bugs On Jade Plant! The most common jade plant pest is the mealybug, Mealybugs form white cottony patches… …where leaves attach to stems.  Their mouth parts penetrate plant tissue and they feed upon the sap. As they feed, mealybugs secrete a sticky substance known as honeydew. These sticky honeydew droplets serve as a perfect … Continue reading 7 Super Guides To Prevent Mealybug On Your Jade Plant 2021