Thyraylia nana
Birch Straw
Birch Straw
Thyraylia nana
Birch Straw
49.133 BF968
Wingspan 9-13 mm.
A fairly common and widely distributed species in England, Wales and Scotland. In Ireland it is somewhat scarcer.
The moth inhabits birch woodland, and flies in June from dusk onwards.
The larvae feed in the catkins of the foodplant, birch (Betula).
Flight period
| Month | Records |
|---|---|
| January | 0 |
| February | 0 |
| March | 2 |
| April | 0 |
| May | 75 |
| June | 156 |
| July | 11 |
| August | 7 |
| September | 0 |
| October | 0 |
| November | 2 |
| December | 0 |
