Woolly Aphid

Scientific Name: Eriosomatinae

Order & Family: Hemiptera: Aphididae

Size: 2 to 5 mm in length

Woolly Aphid

Natural Habitat

Found on various host plants, especially trees like elm, apple, and beech

Diet & Feeding

Herbivorous, feeding on plant sap from leaves, branches, or roots

Behavior Patterns

They produce a white waxy secretion that gives them a woolly appearance. Many species have complex life cycles involving an alternation of host plants.

Risks & Benefits

Usually considered a minor plant pest that can cause leaf curling or sticky honeydew; they are not harmful to humans and are a food source for beneficial insects like ladybugs.

Identified on: 5/21/2026