Semioscopis steinkellneriana
Black-marked Diviner
32.002 BF667
Wingspan 22 mm.
This species flies very early in the morning, around sunrise. It occurs in woodlands and gardens, and is generally distributed over much of Britain.
The adults are on the wing during April.
The larvae feed on blackthorn (Prunus spinosa) and hawthorn (Crataegus).
Flight period
| Month | Records |
|---|---|
| January | 0 |
| February | 0 |
| March | 16 |
| April | 164 |
| May | 58 |
| June | 0 |
| July | 0 |
| August | 0 |
| September | 0 |
| October | 1 |
| November | 0 |
| December | 0 |





