M. coryli

Myzocallis coryli (Goeze, 1778)

Hazel aphid

1.3-2.0 mm.
Aphid yellowish to whitish, all parthenogenetic adults alate.
Larva and nymph: antennae short, ringed at articulations, abdomen covered with numerous hairs, cornicles short and light-colored, cauda knobbed.
Alate: antennae same length as body, cornicles short and light-colored, cauda knobbed, presence of a small black spot on basal part of pterostigma.

See identification file

Monoecious holocyclic

Host plants

Corylus avellana

Myzocallis coryli colonizes undersides of hazel leaves. The sexual forms appear in autumn.

In this folder

Modification date : 07 February 2023 | Publication date : 22 March 2017 | Redactor : Evelyne Turpeau, Maurice Hullé, Bernard Chaubet