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Porton Down: Counts for the year 2002
| 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 | ||||||||||||||||||||||||||
| Small Skipper | . | . | . | . | . | . | . | . | . | . | . | . | . | 8 | 10 | 4 | . | . | . | . | . | |||||
| Essex Skipper | . | . | . | . | . | . | . | . | . | . | . | 1 | 9 | . | . | . | 1 | . | . | . | . | |||||
| Silver-spotted Skipper | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 20 | 5 | 7 | 11 | . | . | |||||
| Large Skipper | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | 1 | . | . | . | . | . | |||||
| Dingy Skipper | . | . | . | . | 3 | 4 | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Grizzled Skipper | . | . | 6 | . | 6 | 2 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Clouded Yellow | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | |||||
| Brimstone | 2 | 1 | 4 | . | 1 | 4 | . | . | . | . | . | . | . | . | . | 1 | . | . | . | 2 | . | |||||
| Large White | . | . | . | . | 3 | . | . | . | . | 1 | . | . | . | 6 | 4 | 1 | 3 | . | 1 | . | . | |||||
| Small White | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 1 | 1 | . | . | . | |||||
| Green Hairstreak | . | . | . | . | 2 | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Small Copper | . | . | . | . | 5 | . | 1 | . | . | . | . | . | 1 | 3 | 2 | 1 | . | . | 1 | 4 | . | |||||
| Small Blue | . | . | . | . | . | . | . | . | . | . | . | 2 | . | . | . | 4 | 1 | . | . | . | . | |||||
| Brown Argus | . | . | . | . | 7 | 7 | . | . | 1 | 1 | . | . | . | . | . | . | 2 | . | . | 3 | . | |||||
| Common Blue | . | . | . | . | 1 | 14 | 10 | 5 | 16 | 10 | 2 | 4 | 4 | . | . | 19 | 42 | 44 | 45 | 19 | . | |||||
| Chalk-hill Blue | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 2 | 6 | 2 | 1 | . | . | . | |||||
| Adonis Blue | . | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Holly Blue | . | . | . | . | 1 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Duke of Burgundy Fritillary | . | . | . | . | . | 2 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |||||
| Red Admiral | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | |||||
| Painted Lady | . | . | . | . | . | . | . | . | . | 1 | . | . | . | 1 | . | . | . | . | . | . | . | |||||
| Small Tortoiseshell | 1 | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | 1 | 1 | 1 | 3 | . | |||||
| Peacock | 4 | . | 5 | . | 2 | . | . | . | . | . | . | . | . | . | . | 1 | . | 1 | 1 | . | . | |||||
| Comma | . | . | . | . | . | . | . | . | . | . | . | . | 1 | . | . | . | . | . | . | . | . | |||||
| Dark Green Fritillary | . | . | . | . | . | . | . | . | 1 | 27 | 23 | 22 | 39 | 14 | 9 | . | . | . | . | . | . | |||||
| Speckled Wood | . | . | . | . | . | . | 1 | 1 | . | . | . | . | . | . | . | . | . | . | . | 1 | . | |||||
| Marbled White | . | . | . | . | . | . | . | . | 1 | 7 | 15 | 8 | 21 | 8 | 6 | . | . | . | . | . | . | |||||
| Gatekeeper/Hedge Brown | . | . | . | . | . | . | . | . | . | . | . | . | 1 | 8 | 1 | 1 | 1 | . | . | . | . | |||||
| Meadow Brown | . | . | . | . | . | . | . | . | . | 4 | 2 | 4 | 17 | 96 | 126 | 594 | 504 | 373 | 300 | 121 | 22 | |||||
| Small Heath | . | . | . | . | . | . | 1 | . | 8 | 10 | 15 | 17 | 22 | 13 | 19 | 2 | 3 | 3 | 5 | 2 | . | |||||
| Ringlet | . | . | . | . | . | . | . | . | . | 5 | 12 | 5 | 11 | . | . | . | . | . | . | . | . | |||||
