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Boscombe Down A (MOD)

Here we provide all the information we have for each transect site.

For example, clicking on one of the section titles below will display the site description (shown automatically), as well as a list of the species recorded here, and their yearly counts. However, you can also chose to Show All the sections, or even Hide All, if you so wish.

Map of Boscombe Down A (MOD)

The map shows you the route that this butterfly transect follows.


County : England(Wiltshire)
Gridref : SU17704120
Year established : 1983
Number of sections : 2
Altitude (m) : 98
Length (m) : 500
Width (m) : -1
Broad habitat : Dry semi/unimproved (flower rich) chalk/limestone grassland
The following species have been recorded on this site:
SpeciesStatusColonised / ExtinctMean Count 
Essex/Small SkipperDeclining 86.19 more
Small SkipperStable 72.75 more
Essex Skipper? 14.37 more
Large SkipperStable 22.77 more
Dingy SkipperStable 26.04 more
Grizzled SkipperStable 10.80 more
Clouded YellowStable 1.54 more
BrimstoneIncreasing 42.14 more
Large WhiteIncreasing 57.49 more
Small WhiteStable 191.49 more
Green-veined WhiteDeclining 7.48 more
Orange-tipStable 4.53 more
Green HairstreakDeclining 12.91 more
Small CopperDeclining 32.57 more
Small BlueStable 43.86 more
Brown ArgusStable 39.80 more
Common BlueStable 221.91 more
Chalk Hill BlueDeclining 45.43 more
Adonis BlueStable 49.29 more
Holly Blue? 0.14 more
Red AdmiralIncreasing 9.55 more
Painted LadyStable 3.38 more
Small TortoiseshellDeclining 61.99 more
PeacockIncreasing 51.35 more
CommaIncreasing 1 more
Dark Green FritillaryStable 3.39 more
Marsh FritillaryDeclining 1.41 more
Speckled Wood? 0.41 more
Wall? 0.19 more
Marbled WhiteStable 400.05 more
GatekeeperDeclining 147.62 more
Meadow BrownStable 537.29 more
Small HeathDeclining 75.02 more
RingletIncreasing 18.49 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. Click on 'more' to see a plot of abundance through time for each species. See green question mark above for more details.


The UKBMS is run by  Butterfly Conservation (BC), the Centre for Ecology and Hydrology (CEH) and the British Trust for Ornithology (BTO), in partnership with the Joint Nature Conservation Committee (JNCC), and supported and steered by Forestry Commission (FC),  Natural England (NE), Natural Resources Wales (NRW), Northern Ireland Environment Agency (NIEA), and Scottish Natural Heritage (SNH). The UKBMS is indebted to all volunteers who contribute data to the scheme.