| 1974, Jul | Present |
A.M.Emmet |
Mine |
Bronllys |
SO1436 |
Daytime observation |
Resident |
| | 1985, Sep | Present |
N.R.Lowe |
Mine |
Llangorse |
SO139276 |
Daytime observation |
Resident |
| | 1988, Sep | Present |
N.R.Lowe |
Mine |
Llangynidr |
SO1420 |
Daytime observation |
Resident |
| | 1989, Oct | Present |
N.R.Lowe |
Mine |
Pwll y Wrach |
SO1632 |
Daytime observation |
Resident |
| | 1990, Sep | Present |
N.R.Lowe |
Mine |
Trefecca |
SO140313 |
Daytime observation |
Resident |
| | 2000, Oct | Present |
N.R.Lowe |
Mine |
Pwll y Wrach |
SO1632 |
Daytime observation |
Resident |
| | 2000, Oct | Present |
N.R.Lowe |
Mine |
Groesffordd |
SO080277 |
Daytime observation |
Resident |
| | 2001, Sep | Present |
N.R.Lowe |
Mine |
Llangorse |
SO139276 |
Daytime observation |
Resident |
| | 2001, Oct | Present |
N.R.Lowe |
Mine |
Craig y Nos |
SN840154 |
Daytime observation |
Breeding (confirmed) |
| | 2002, Nov | Present |
N.R.Lowe |
Larval feeding signs |
Alltmawr Quarry |
SO074443 |
Daytime observation |
Breeding (confirmed) |
| | 2003, Nov | Present |
N.R.Lowe |
Mine |
Henallt |
SO2339 |
Daytime observation |
Resident |
| | 2004, Jun | 1 |
J.R.Langmaid |
Mine (vacated) |
Ffawyddog |
SO2018 |
Daytime observation |
Not recorded |
Ulmus glabra | | 2006, Aug | Present |
J.R.Langmaid |
Mine (vacated) |
Hay Forest |
SO1936 |
Daytime observation |
Not recorded |
several Ulmus glabra |
|