Swammerdamia caesiella - Distribution map
Please note that the NBN Gateway map service has been terminated as of 1 April 2017.
As soon as a replacement map service is available, distribution maps will hopefully appear here again.
In the meantime, you can get some idea of distribution from the NBN Atlas website.
16.015 BF437
Swammerdamia caesiella
(Hübner, 1796)
Wingspan 9-13 mm.
A common species found in heath and woodland throughout the British Isles.
The foodplant is birch (Betula), the larva feeding on the parenchyma on the upperside of a leaf, beneath a silken web.
The adult moth is greyish with a white head, and occurs in two broods, in May and June and again in August.