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Butterfly transects 2001
| week 15 | week 16 | week 17 | week 18 | week 19 | week 20 | week 21 | week 22 | week 23 | |
| Large White | 2 | 2 | 3 | 1 | 4 | 1 | 5 | 3 | |
| Small White | 6 | 3 | 3 | 8 | 1 | ||||
| Green-veined White | 1 | 3 | |||||||
| Northern Brown Argus | 4 | 4 | 4 | ||||||
| Painted Lady | 1 | ||||||||
| Small Tortoiseshell | 1 | 1 | 1 | ||||||
| Red Admiral | 1 | ||||||||
| Peacock | 3 | 1 | 1 | ||||||
| Comma | 1 | 1 | |||||||
| High Brown Fritillary | 2 | 3 | 7 | 1 | |||||
| Speckled Wood | 28 | 35 | 21 | 11 | 13 | 7 | 20 | 25 | 15 |
| Meadow Brown | 137 | 151 | 134 | 42 | 19 | 16 | 14 | 2 |
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