Woolly Aphid
Scientific Name: Eriosomatinae (Subfamily)
Order & Family: Order: Hemiptera, Family: Aphididae
Size: 1 to 7 millimeters in length.

Natural Habitat
Commonly found on the leaves and branches of specific host plants (such as apple, ash, beech, or oak trees) where they produce white, waxy secretions.
Diet & Feeding
They feed on plant sap by piercing the bark or leaves of host plants with needle-like mouthparts.
Behavior Patterns
They produce a thick, white, waxy fiber for protection against predators and moisture loss. They often form large colonies and may have complex life cycles involving alternating between different host plant species.
Risks & Benefits
Generally harmless to humans but considered a garden pest. Heavy infestations can cause leaf curling, yellowing, and stunted growth in plants. Their sticky waste (honeydew) can lead to the growth of sooty mold.
Identified on: 1/30/2026