Aphids are the most common insect found on trees and shrubs. There are many species of aphids that feed on numerous hosts. Aphids use their piercing sucking mouthparts to extract sap from the tender, new growth of plants. While aphid feeding does not look good, it usually doesn’t cause serious damage to plants. However, aphids do excrete a sticky substance called honeydew that can be a real nuisance, as it gets all over sidewalks, vehicles, etc.
Trees at Risk
As the most common insect found on trees and shrubs and with over 350 different species, aphids feed on numerous species of trees.