M. castanicola

Myzocallis (Agrioaphis) castanicola Baker 1917

Sweet chestnut aphid

Myzocallis castanicola : larves
Myzocallis castanicola : adulte ailé

Morphological characters

1.6-1.7 mm.
A yellow aphid, all the parthenogenetic adults are alates.
Larva: antennae short, ringed at articulations; abdomen covered with numerous hairs.
Alate: dark longitudinal medial stripe on head and thorax and abdomen bears pigmented spots in pairs and marginal sclerites.

See identification file

Life cycles

Monoecious holocyclic

Host plants

Castanea sativa (sweet chestnut) and Quercus spp (oak).

Particular characteristics

Myzocallis castanicola colonizes the underside of sweet chestnut leaves and occasionally on oak leaves. The sexual forms appear in autumn.