woolly aphid

US /ˈwʊli ˈeɪfɪd/
UK /ˈwʊli ˈeɪfɪd/
"woolly aphid" picture
1.

Blutlaus

a small insect of the aphid family, covered with a white, waxy, wool-like secretion, that feeds on the sap of plants, especially apple trees

:
The apple tree was heavily infested with woolly aphids.
Der Apfelbaum war stark mit Blutläusen befallen.
You can identify woolly aphids by their white, fluffy appearance.
Man kann Blutläuse an ihrem weißen, flauschigen Aussehen erkennen.