Woolly Aphid

Scientific Name: Eriosomatinae

Order & Family: Order: Hemiptera, Family: Aphididae

Size: 2 mm to 10 mm in length

Woolly Aphid

Natural Habitat

Found on various plants, particularly trees such as apple, ash, beech, and alder across temperate regions.

Diet & Feeding

Plant sap (phloem) extracted using piercing-sucking mouthparts, often causing leaf curling or galls.

Behavior Patterns

They produce white, waxy filamentous secretions for protection against predators and desiccation. They are known for 'dancing' or pulsing rhythmically when disturbed.

Risks & Benefits

Potential agricultural pests that can cause stunted growth or honeydew-related mold; they benefit ecosystems as a food source for lacewings and ladybugs.

Identified on: 2/3/2026