Aphids are extremely prolific and populations can rapidly build up to damaging numbers during the growing season. Ants feed on the honeydew, a sweet, sticky substance excreted by these insects. Cluster in white cottony masses, on stems and leaves. Eggs and some adults can survive through the winter in warm climates. Leaves may be deformed and withered.
Infested leaves are often shiny and sticky.
Begonias and coleus are susceptible to several mealy bug species. Ants feed on the honeydew, a sweet, sticky substance excreted by these insects. They hide under a shell cover that acts as a shield. They can kill plants if present in large numbers. Ants feed on the honeydew, a sweet, sticky substance excreted by these insects.