Woolly Plant Louse -

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

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

: 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,