Coulsdon Common: Counts for the year 1991
| | APR | MAY | JUN | JUL | AUG | SEP |
| Week no. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| Site | |
| Large Skipper |
|
. |
|
. |
|
. |
. |
. |
. |
. |
|
. |
|
2 |
2 |
4 |
2 |
4 |
. |
. |
. |
. |
. |
. |
. |
. |
| Brimstone |
|
14 |
|
4 |
|
12 |
. |
2 |
. |
. |
|
2 |
|
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
| Large White |
|
. |
|
. |
|
. |
. |
2 |
. |
. |
|
. |
|
. |
. |
. |
. |
2 |
. |
4 |
. |
4 |
2 |
. |
4 |
. |
| Small White |
|
. |
|
. |
|
. |
2 |
. |
. |
. |
|
6 |
|
. |
. |
. |
. |
2 |
. |
. |
. |
. |
. |
. |
. |
. |
| Green-veined White |
|
. |
|
. |
|
. |
. |
4 |
10 |
4 |
|
. |
|
. |
. |
. |
. |
. |
2 |
6 |
. |
. |
. |
. |
. |
. |
| Orange Tip |
|
. |
|
8 |
|
12 |
12 |
10 |
10 |
. |
|
2 |
|
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
| Small Copper |
|
. |
|
. |
|
. |
. |
. |
. |
. |
|
. |
|
. |
. |
. |
. |
. |
. |
. |
. |
2 |
. |
. |
. |
. |
| Common Blue |
|
. |
|
. |
|
. |
. |
. |
. |
4 |
|
2 |
|
. |
. |
. |
. |
. |
. |
. |
. |
18 |
4 |
. |
. |
. |
| Holly Blue |
|
. |
|
. |
|
. |
. |
2 |
. |
. |
|
. |
|
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
| Red Admiral |
|
. |
|
. |
|
. |
. |
. |
. |
. |
|
. |
|
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
2 |
. |
| Small Tortoiseshell |
|
6 |
|
2 |
|
. |
. |
. |
. |
. |
|
. |
|
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
2 |
. |
| Peacock |
|
4 |
|
. |
|
. |
2 |
. |
. |
. |
|
. |
|
. |
. |
. |
. |
. |
. |
2 |
. |
. |
. |
. |
. |
. |
| Comma |
|
2 |
|
2 |
|
. |
. |
. |
. |
. |
|
. |
|
. |
. |
. |
. |
. |
10 |
. |
. |
. |
. |
. |
. |
8 |
| Speckled Wood |
|
. |
|
2 |
|
16 |
28 |
20 |
6 |
. |
|
2 |
|
6 |
6 |
. |
4 |
. |
4 |
12 |
28 |
12 |
8 |
20 |
12 |
20 |
| Gatekeeper/Hedge Brown |
|
. |
|
. |
|
. |
. |
. |
. |
. |
|
. |
|
. |
. |
. |
. |
. |
8 |
8 |
2 |
4 |
. |
. |
. |
. |
| Meadow Brown |
|
. |
|
. |
|
. |
. |
. |
. |
. |
|
. |
|
14 |
64 |
80 |
70 |
108 |
58 |
52 |
42 |
18 |
. |
. |
. |
. |
| Ringlet |
|
. |
|
. |
|
. |
. |
. |
. |
. |
|
. |
|
. |
22 |
8 |
4 |
16 |
4 |
2 |
. |
. |
. |
. |
. |
. |