The white bugs on plants are generally aphids or mealybugs — two distinct species that are closely related; mealybugs appear as tiny white fluffy spots, while aphids have a waxy or wooly coating. Lady beetles and parasitic wasps can both be used to rid plants of aphids and mealybugs.Continue Reading
Aphids are pear shaped and normally feed in large groups. They can eat the leaves, stem, flowers, fruit or roots of a plant. Signs of aphids include yellow curled leaves, leaves that are coated in a sticky substance and black mold on the leaves or stem.
Mealybugs appear to have fringe around their bodies. Like aphids, they eat any part of the plant so that they can gets its juice. Signs of a mealybug infection are similar to that of an aphid infestation: leaves and fruits that drop off prematurely, yellow leaves, black mold and a sticky substance on the plant.Learn more about Invasive Insects
To control bugs in potted plants, pick larger insects from the plants, trap bugs on sticky traps, rinse leaves periodically and throw badly affected plants away. It can also help to avoid excessively moist or excessively dry soil.Full Answer >
One method to keep bugs off tomato plants is to spray the plant with an insecticidal soap. This solution consists of 1 quart of water and 2 tablespoons of liquid dishwashing soap mixed into a spray bottle. The soap kills the bugs on the plants deters future invasions.Full Answer >
White spots on tomato plants are caused by psyllids, tiny insects about the size of aphids. The psyllids' young, which are even tinier than the adult psyllids, create the spots. The nymphs excrete tiny white grains that adhere to the leaves, usually on the undersides or in shaded areas.Full Answer >
For mites, aphids, mealybugs and other insects with soft bodies, a good organic spray is one tablespoon canola oil mixed with a few drops Ivory soap sprayed on leaves, notes Eartheasy.com. For grubs, a good organic pest control method is to use milky spore on leaves.Full Answer >