( Eriosoma lanigerum ): Often attacks apple tree roots and branches.

: Look for a sticky residue called "honeydew" or the presence of black sooty mold that grows on it. definition of woolly plant louse by Mnemonic Dictionary

( Prociphilus tessellatus ): Known for its large, fluffy colonies on alder trees.

: They are herbivores that use piercing mouthparts to feed on plant juices, which can cause galls, leaf curling, and general plant stress. Common Varieties :

: They are tiny (1–6 mm) and often form conspicuous colonies that look like fuzzy white masses on twigs, leaves, or roots.

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