| 1970, Oct | Present |
J.M.Chalmers-Hunt |
Not recorded |
Grwyne Fawr |
SO2822 |
Unknown |
Not recorded |
| | 1986, Jun | Present |
N.R.Lowe |
Not recorded |
Park Wood |
SO1633 |
Unknown |
Not recorded |
| | 1986, Jul | Present |
N.R.Lowe |
Not recorded |
Ffawyddog |
SO203181 |
Unknown |
Not recorded |
| | 1986, Oct | Present |
N.R.Lowe |
Not recorded |
Talybont Reservoir |
SO1020 |
Unknown |
Not recorded |
| | 1986, Nov | Present |
N.R.Lowe |
Not recorded |
Nant Sere |
SO0323 |
Unknown |
Not recorded |
| | 1989, Oct | Present |
N.R.Lowe |
Not recorded |
Llangorse |
SO139276 |
Unknown |
Not recorded |
| | 1989, Oct | Present |
N.R.Lowe |
Not recorded |
Talybont Reservoir |
SO1020 |
Unknown |
Not recorded |
| | 1990, Sep | Present |
J.R.Langmaid,A.M.Emmet,P.H.Sterling&N.R. Lowe |
Mine (vacated) |
Waun-y-mynach |
SO0929 |
Daytime observation |
Not recorded |
a few | | 1990, Sep | Present |
N.R.Lowe |
Not recorded |
Cae Bryn Tywarch |
SN852268 |
Unknown |
Not recorded |
| | 1990, Sep | Present |
N.R.Lowe |
Not recorded |
Waun-y-mynach |
SO094297 |
Unknown |
Not recorded |
| | 1990, Sep | 1 |
J.R.Langmaid,A.M.Emmet,P.H.Sterling&N.R. Lowe |
Mine (vacated) |
Pont ar Hydfer |
SN8527 |
Daytime observation |
Not recorded |
| | 1991, Sep | Present |
N.R.Lowe |
Not recorded |
Craig Cerrig-gleisiad NNR |
SN9622 |
Unknown |
Not recorded |
| | 1992, Sep | Present |
N.R.Lowe |
Not recorded |
Craig Cerrig-gleisiad NNR |
SN9622 |
Unknown |
Not recorded |
| | 1995, Jul | Present |
N.R.Lowe |
Not recorded |
Llangorse |
SO139276 |
Unknown |
Not recorded |
| | 1995, Oct | Present |
N.R.Lowe |
Not recorded |
Waun-y-mynach |
SO094297 |
Unknown |
Not recorded |
| | 1995, Nov | Present |
N.R.Lowe |
Not recorded |
Allt House Wood |
SO1224 |
Unknown |
Not recorded |
| | 1996, Jun | Present |
N.R.Lowe |
Not recorded |
Allt House Wood |
SO1224 |
Unknown |
Not recorded |
| | 2000, Oct | Present |
N.R.Lowe |
Not recorded |
Cae Bryn Tywarch |
SN852268 |
Unknown |
Not recorded |
| | 2001, Oct | 1 |
M.Tillotson |
Mine |
Llangynidr |
SO151198 |
Leaf mine |
Not recorded |
| | 2001, Oct | 1 |
M.Tillotson |
Mine |
Llangynidr |
SO152198 |
Daytime observation |
Not recorded |
| | 2002, Oct | Present |
N.R.Lowe |
Larval feeding signs |
Gelli Rhyd |
SO2419 |
Daytime observation |
Breeding (confirmed) |
| | 2003, Nov | Present |
N.R.Lowe |
Mine |
Henallt |
SO2339 |
Daytime observation |
Resident |
| | 2004, Sep | Present |
J.R.Langmaid&N.R.Lowe |
Mine |
Corngafallt |
SN9364 |
Daytime observation |
Not recorded |
a few Betula | | 2004, Sep | Present |
J.R.Langmaid&N.R.Lowe |
Mine |
Pont-ar-dulas |
SN945532 |
Daytime observation |
Not recorded |
a few Betula | | 2004, Sep | Present |
N.R.Lowe |
Mine |
Henallt |
SO234401 |
Daytime observation |
Resident |
On birch | | 2005, Oct | Present |
J.R.Langmaid |
Mine |
Llangynidr |
SO1520 |
Daytime observation |
Not recorded |
a few Betula papyrifera | | 2005, Sep | 1 |
J.R.Langmaid |
Mine (vacated) |
Talybont Forest |
SO0617 |
Daytime observation |
Not recorded |
Betula | | 2006, Nov | Present |
J.R.Langmaid&N.R.Lowe |
Mine (vacated) |
Crickhowell |
SO2119 |
Daytime observation |
Not recorded |
several Betula | | 2006, Nov | Present |
J.R.Langmaid&N.R.Lowe |
Mine (vacated) |
Gelli Rhyd |
SO2519 |
Daytime observation |
Not recorded |
several Betula | | 2007, Oct | 1 |
J.R.LangmaidN.R.Lowe&A.D. Lewis |
Mine |
Llywel |
SN8729 |
Daytime observation |
Not recorded |
with larva: Betula |
|