C. avellanae

Corylobium avellanae (Schrank, 1801)

Large hazel aphid
Corylobium avellanae
Corylobium avellanae : adulte ailé
Corylobium avellanae : adultes aptères

Morphological characters

1.7-2.9 mm.
Large yellow-green aphid, sometimes marbled with red, abdomen with capitate hairs.
Apterous: antennae longer than body, cornicles long and straight, cauda short.
Alate: antennae longer than body, abdomen with hairs and pigmented stripes or flecks, cornicles long and straight, cauda short and triangular.

See identification file

Life cycles

Monoecious holocyclic

Host plants

Corylus avellana

Particular characteristics

Corylobium avellanae feeds on young growing hazel shoots. 

Agronomic impact

It produces copious amounts of honeydew which becomes covered with fumagine. This fumagine spoils the hazel nuts.

 

In this folder

Modification date: 22 May 2024 | Publication date: 21 March 2017 | By: Evelyne Turpeau, Maurice Hullé, Bernard Chaubet