Lampronia fuscatella
Lampronia fuscatella
Adult • Astley Moss; leg. K. McCabe • © Ben Smart

9.006 BF138
Lampronia fuscatella

(Tengström, 1848)

Wingspan 14-18 mm.

The adults of this species, unlike some of the other Lampronia species, are relatively plain in appearance.

The moth is quite local in Britain, occurring scarcely in a few widely scattered localities throughout. It flies in May and June, during the afternoon.

The larva is unusual in that it forms a swelling, or gall on a twig of birch (Betula), usually at a node, within which it feeds.

The presence of reddish-brown frass around the exit hole indicates a larva within.

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