

The map shows you the route that this butterfly transect follows.
| County: | Hertfordshire (England) |
| Gridref: | SP930105 |
| Year established: | 1996 |
| Number of sections: | |
| Altitude (m): | Unknown |
| Length (m): | Unknown |
| Width (m): | Unknown |
| Broad habitat: | Dry semi/unimproved (flower rich) chalk/limestone grassland |
Species list...
| Species | Status | Colonised/extinct | Asynchronous | Mean count | ||
| Small Tortoiseshell | Stable | 16 | more | |||
| Orange Tip | Stable | 14 | more | |||
| Purple Emperor | ? | 0 | .98 | more | ||
| Ringlet | Stable | 470 | more | |||
| Dark Green Fritillary | ? | 0 | .37 | more | ||
| Silver-washed Fritillary | ? | 2 | .0 | more | ||
| Brown Argus | Stable | 10 | more | |||
| Green Hairstreak | Stable | 4 | .4 | more | ||
| Holly Blue | Stable | 2 | .1 | more | ||
| Small Heath | Decreasing | 7 | .2 | more | ||
| Clouded Yellow | ? | 0 | .48 | more | ||
| Dingy Skipper | Stable | 8 | .6 | more | ||
| Brimstone | Stable | 45 | more | |||
| Small Copper | Stable | 4 | .2 | more | ||
| Chalk-hill Blue | ? | 0 | .55 | more | ||
| Meadow Brown | Stable | 720 | more | |||
| Gatekeeper/Hedge Brown | Stable | 430 | more | |||
| Marbled White | Stable | 410 | more | |||
| Peacock | Decreasing | 80 | more | |||
| Large Skipper | Increasing | * | 45 | more | ||
| Speckled Wood | Stable | 120 | more | |||
| Large White | Stable | 62 | more | |||
| Green-veined White | Stable | 73 | more | |||
| Small White | Stable | 72 | more | |||
| Comma | Increasing | 25 | more | |||
| Common Blue | Stable | 34 | more | |||
| Grizzled Skipper | Increasing | * | 4 | .0 | more | |
| Purple Hairstreak | ? | 0 | .95 | more | ||
| Small Skipper | Stable | 60 | more | |||
| Red Admiral | Stable | 17 | more | |||
| Painted Lady | Stable | 5 | .2 | more | ||
This table shows the species that have been recorded on this site. Where sufficient data is available, trends in abundance are assessed and colonisation/extinction events are identified. Species are marked as 'asynchronous' when their trends on this site are markedly different from the national trend. Click on 'more' to see a plot of abundance through time for each species. See green question mark above for more details.