woolly aphid

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

puceron lanigère

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.
Le pommier était fortement infesté de pucerons lanigères.
You can identify woolly aphids by their white, fluffy appearance.
Vous pouvez identifier les pucerons lanigères par leur apparence blanche et duveteuse.