Swammerdamia caesiella
Swammerdamia caesiella
16.015 BF437
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.
Flight period
| Month | Records |
|---|---|
| January | 0 |
| February | 0 |
| March | 0 |
| April | 2 |
| May | 34 |
| June | 75 |
| July | 111 |
| August | 92 |
| September | 43 |
| October | 51 |
| November | 0 |
| December | 0 |
