15.067 BF345

Phyllonorycter rajella

(Linnaeus, 1758)

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Wingspan 7-9 mm.

A variable species, some specimens appearing very dark and some much paler. There is a broad whitish basal streak which is usually quite obvious.

The larvae feed on alder (Alnus spp.) including Italian alder (A. cordata), creating a small triangular blotch mine on the underside of the leaves.

It is quite a common species throughout the British Isles and the adults fly in two generations; in May and again in August.

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Flight period

JFMAMJJASOND

Records per month

Month	Records
January	3
February	2
March	0
April	21
May	19
June	37
July	80
August	114
September	196
October	294
November	110
December	2