Woolly Aphid
Scientific Name: Subfamily Eriosomatinae
Order & Family: Order: Hemiptera, Family: Aphididae
Size: 2 to 4 millimeters in length

Natural Habitat
Commonly found on the leaves, branches, and roots of host trees and shrubs such as apple, alder, and beech.
Diet & Feeding
Herbivorous; they use piercing-sucking mouthparts to feed on plant sap (phloem).
Behavior Patterns
They produce a white, waxy, cotton-like covering for protection against predators and desiccation. They are often found in large, stationary clusters and can be wind-dispersed.
Risks & Benefits
Risks: Can cause plant stress, leaf curling, and branch galls; they secrete honeydew which promotes sooty mold. Benefits: Serve as a food source for beneficial predators like lacewings and hoverfly larvae.
Identified on: 3/12/2026