Woolly Aphid

Natural Habitat

Commonly found on the leaves, branches, or roots of several host plants, particularly fruit trees like apples and various ornamental shrubs.

Diet & Feeding

They use piercing-sucking mouthparts to feed on plant sap (phloem), often causing localized damage to the host plant.

Behavior Patterns

They secrete a white, waxy, cotton-like substance from their bodies for protection against predators and desiccation. They are known for 'dancing' or twitching in unison when disturbed and often have complex life cycles involving different host plants.

Risks & Benefits

Generally harmless to humans. In the ecosystem, they serve as a food source for ladybugs and lacewings. However, they are considered agricultural pests because they can cause leaf curling, galls, and promote the growth of sooty mold by excreting honeydew.

Identified on: 3/29/2026