P. fagi

Phyllaphis fagi (Linné, 1767)

Wooly beech aphid

2.0-3.0 mm.

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

See identification file

Monœceous holocyclic

Fagus sylvatica, beech

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 : 07 February 2023 | Publication date : 08 December 2016 | Redactor : Evelyne Turpeau, Maurice Hullé, Bernard Chaubet