Arlington Reservoir: Counts for the year 2001
| | 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 | Ind | |
| Small/Essex Skipper |
NI |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
8 |
14 |
53 |
52 |
22 |
. |
. |
. |
. |
. |
. |
. |
. |
| Large Skipper |
34 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
2 |
2 |
30 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
| Brimstone |
3 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
1 |
. |
1 |
1 |
. |
. |
. |
. |
. |
| Large White |
45 |
. |
. |
. |
. |
. |
. |
. |
. |
1 |
. |
. |
. |
. |
. |
1 |
. |
10 |
9 |
7 |
12 |
. |
. |
2 |
1 |
2 |
. |
| Small White |
154 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
1 |
5 |
1 |
2 |
5 |
4 |
47 |
42 |
28 |
19 |
6 |
| Small Copper |
33 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
2 |
2 |
1 |
. |
. |
. |
3 |
1 |
13 |
11 |
| Brown Argus |
5 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
2 |
3 |
. |
. |
. |
. |
. |
| Common Blue |
95 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
3 |
. |
. |
. |
. |
5 |
8 |
15 |
19 |
11 |
15 |
10 |
6 |
3 |
1 |
| Red Admiral |
32 |
. |
. |
. |
. |
. |
. |
. |
. |
1 |
1 |
. |
1 |
. |
. |
5 |
7 |
7 |
1 |
. |
6 |
1 |
. |
. |
. |
2 |
2 |
| Painted Lady |
10 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
1 |
. |
. |
. |
1 |
2 |
4 |
1 |
. |
. |
1 |
. |
. |
| Small Tortoiseshell |
15 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
1 |
. |
. |
. |
3 |
1 |
4 |
5 |
1 |
1 |
| Peacock |
40 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
9 |
4 |
5 |
15 |
7 |
. |
. |
. |
. |
. |
| Comma |
3 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
1 |
. |
2 |
. |
. |
. |
. |
. |
. |
| Speckled Wood |
31 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
1 |
1 |
. |
. |
2 |
. |
. |
2 |
5 |
3 |
. |
5 |
1 |
9 |
1 |
1 |
. |
| Wall Brown |
3 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
3 |
. |
. |
. |
. |
. |
. |
. |
| Marbled White |
338 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
15 |
103 |
63 |
125 |
12 |
17 |
3 |
. |
. |
. |
. |
. |
. |
. |
| Gatekeeper / Hedge Brown |
597 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
2 |
21 |
80 |
262 |
177 |
17 |
32 |
4 |
2 |
. |
. |
. |
. |
| Meadow Brown |
662 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
7 |
55 |
112 |
30 |
186 |
93 |
78 |
36 |
22 |
30 |
9 |
2 |
2 |
. |
. |
| Small Heath |
1 |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
. |
1 |
. |
. |
. |
. |