Phytomyza ilicis

Alt Name
Leaf mine

Phytomyza ilicis is an Agromyzid fly that causes galls to form on the leaves of Holly.


Anywhere that the host plant grows.

Life History

Phytomyza ilicis lays its eggs in May or June, at the base of the petiole of a young leaf (on the underside). Larva initially feeds in mid-rib, later producing characteristic irregular upper surface linear-blotch. Pupation is internal.

UK Status

Common and widespread in Britain.

VC55 Status

Common in Leicestershire and Rutland

Leicestershire & Rutland Map

UK Map