P. fagi

Phyllaphis fagi (Linné, 1767)

Wooly beech aphid

Phyllaphis fagi : adulte aptère
Phyllaphis fagi : adulte ailé
Phyllaphis fagi : colonie

Morphological characters

2.0-3.0 mm.

Apterous and alate: yellowish to pale green, elongate, covered with wooly wax.

See identification file

Life cycles

Monœceous holocyclic

Host plants

Fagus sylvatica, beech

Particular characteristics

Phyllaphis fagi proliferates under the young leaves of beech Fagus sylvatica. In reaction the leaf rolls up on the underside along the midvein (primary vein) and falls prematurely.
Colonies hidden under the white wooly wax are easy to identify.



In this folder

Modification date: 23 May 2024 | Publication date: 08 December 2016 | By: Evelyne Turpeau, Maurice Hullé, Bernard Chaubet