Woolly Plant Louse Link
( Eriosoma lanigerum ): Often attacks apple tree roots and branches.
: They are herbivores that use piercing mouthparts to feed on plant juices, which can cause galls, leaf curling, and general plant stress. Common Varieties : woolly plant louse
: They are tiny (1–6 mm) and often form conspicuous colonies that look like fuzzy white masses on twigs, leaves, or roots. ( Eriosoma lanigerum ): Often attacks apple tree
( Prociphilus tessellatus ): Known for its large, fluffy colonies on alder trees. which can cause galls