When used properly most chemicals are tested and safe to use. The pesticides listed here as remedies have been in use for many years, and are considered as traditional in the nursery and greenhouse industries. Aphids are common on house plant insects but fortunately, are easily controlled. Aphids suck sap from the plant and can cause new growth to be stunted and distorted. Aphids may be just about any color and are found on new growth and the undersides of the leaves, usually clustered together in a group.
Heavy infestations cover the plants with a sticky honeydew.
If you can handle living with Lady bugs in the house, they will take care of any aphid problem for you. Aphids can also be controlled with malathion, diazinon, and systemic insecticides. They are extremely small and a magnifying glass is usually needed to see them. They usually attack new leaves and buds. Plants infested with mites lose their green color and appear bronzed or washed out.