: 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
The is more commonly known as the woolly aphid (subfamily Eriosomatinae). These sap-sucking insects are easily identified by the white, cottony or "woolly" wax filaments they secrete to cover their bodies. Key Characteristics woolly plant louse
( Eriosoma lanigerum ): Often attacks apple tree roots and branches. : Look for a sticky residue called "honeydew"
( Prociphilus tessellatus ): Known for its large, fluffy colonies on alder trees. Key Characteristics ( Eriosoma lanigerum ): Often attacks
: 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.