| 1989, Sep | Present |
N.R.Lowe |
Not recorded |
Afon Hydfer |
SN855288 |
Unknown |
Not recorded |
| | 1990, Sep | 1 |
J.R.Langmaid,A.M.Emmet,P.H.Sterling&N.R. Lowe |
Mine |
Waun-y-mynach |
SO0929 |
Daytime observation |
Not recorded |
tenanted + 1 vacated | | 1990, Sep | Present |
N.R.Lowe |
Not recorded |
Waun-y-mynach |
SO094297 |
Unknown |
Not recorded |
| | 2000, Oct | Present |
N.R.Lowe |
Not recorded |
Cae Bryn Tywarch |
SN852268 |
Unknown |
Not recorded |
| | 2003, Oct | Present |
N.R.Lowe |
Mine |
Penderyn |
SN948079 |
Daytime observation |
Resident |
On Betula | | 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 | 1 |
J.R.Langmaid&N.R.Lowe |
Mine (vacated) |
Pont-ar-dulas |
SN945532 |
Daytime observation |
Not recorded |
Betula | | 2004, Sep | Present |
N.R.Lowe |
Mine |
Henallt |
SO235400 |
Daytime observation |
Resident |
On birch | | 2004, Nov | Present |
N.R.Lowe |
Mine |
Manor Mawr Penderyn |
SN972218 |
Daytime observation |
Resident |
On birch | | 2005, Sep | 1 |
J.R.Langmaid |
Mine (vacated) |
Talybont Forest |
SO0617 |
Daytime observation |
Not recorded |
Betula | | 2006, Aug | 1 |
J.R.Langmaid |
Mine |
Garwnant Visitor Centre |
SO0013 |
Daytime observation |
Not recorded |
Betula | | 2006, Aug | 2 |
J.R.Langmaid&N.R.Lowe |
Mine (vacated) |
Coed Fenni-fach |
SO0128 |
Daytime observation |
Not recorded |
Betula | | 2006, Oct | Present |
J.Wilson |
Leaf mine |
Trallong |
SN949297 |
Daytime observation |
Unknown |
Empty leaf mine on Birch | | 2006, Oct | Present |
J.Wilson |
Leaf mine |
Trallong |
SN949297 |
Daytime observation |
Unknown |
Leaf mine with larvae on Hazel |
|