Woolly Plant Louse Guide

: 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

( Eriosoma lanigerum ): Often attacks apple tree roots and branches. 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. : Look for a sticky residue called "honeydew"

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