15.037 BF318

Phyllonorycter tenerella

(Joannis, 1915)

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Wingspan 6-8 mm.

Distributed mainly in the south-east of England, P. tenerella has been occasionally found elsewhere, probably as an introduction with the foodplant.

The larva creates a narrow mine on the underside of a leaf of hornbeam (Carpinus), which can be confused with other hornbeam feeding species. However, tenerella is the only one likely to emerge with a white ground colour.

The adults fly in two generations, in May then again during July and August.