Woolly Aphid
Scientific Name: Eriosomatinae (subfamily)
Order & Family: Order: Hemiptera, Family: Aphididae
Size: 2 to 4 millimeters (0.08 to 0.16 inches) long.

Natural Habitat
Found on various host plants including trees (apple, elm, beech, hawthorn) and shrubs. They often cluster on twigs, branches, or roots.
Diet & Feeding
Feed on plant sap (phloem) using piercing-sucking mouthparts, often causing leaf curling or galls.
Behavior Patterns
They produce a white, waxy, cotton-like filament covering for protection against predators and desiccation. They are slow-moving and often form dense colonies.
Risks & Benefits
Benefits: None significant to humans. Risks: Can be minor garden pests by weakening plants, causing unsightly galls, and producing sticky honeydew which can lead to sooty mold growth; generally harmless to humans.
Identified on: 1/5/2026