Phyllonorycter cavella
Phyllonorycter cavella
Adult • West Devon, reared from mine in Betula sp. • © Phil Barden

15.059 BF338

Phyllonorycter cavella

(Zeller, 1846)

Wingspan c.8 mm

A fairly local species with a distribution covering parts of England and Wales, and the Scottish Highlands.

The larvae feed from August to October on birch Betula, forming a large blister-mine on the underside of a leaf, occupying most of the leaf and causing it to pucker quite strongly. The mine has a number of strong creases on the lower epidermis.

Adult moths are on the wing in June and July.

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